中英双语 · 成语词典

释义 / 典故出处 / 对照例句，一站查全

一心一意 持之以恒 熟能生巧 亡羊补牢 卧薪尝胆 搜"学习"

从天而下

cóng tiān ér xià

初中学段 高中学段 🎨 中性词 🧱 偏正式 🕰 古代 📊 常用 👁 6483 次浏览

📌 中文释义

比喻出于意外，突然出现。

🌏 English Definition

Descend from the sky

📜 出处典故

《汉书·周亚夫传》：“直入武库，击鸣鼓。诸侯闻之，以为将军从天而下也。”

💬 中英例句

哥哥，你真是从天而降也！万望救我一救！（明·吴承恩《西游记》第三十一回）

🧩 用法

中文

偏正式；作谓语、定语；形容出乎意料突然发生

适用学段 初中 高中

🔗 近义词

从天而降

📝 我的笔记

登录后可以记录专属学习笔记。

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-10-08 03:06:37 HTTP/2.0 GET : https://chengyu.edu99.com.cn/chengyu/cong-tian-er-xia
  2. 运行时间 : 0.088680s [ 吞吐率：11.28req/s ] 内存消耗：4,625.22kb 文件加载：151
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=4071eda71a480a74b2be93e6f70b54fa
  1. /home/www/wwwroot/chengyu.hicoo.net/public/index.php ( 0.79 KB )
  2. /home/www/wwwroot/chengyu.hicoo.net/vendor/autoload.php ( 0.73 KB )
  3. /home/www/wwwroot/chengyu.hicoo.net/vendor/composer/autoload_real.php ( 1.63 KB )
  4. /home/www/wwwroot/chengyu.hicoo.net/vendor/composer/platform_check.php ( 0.90 KB )
  5. /home/www/wwwroot/chengyu.hicoo.net/vendor/composer/ClassLoader.php ( 15.99 KB )
  6. /home/www/wwwroot/chengyu.hicoo.net/vendor/composer/autoload_static.php ( 4.93 KB )
  7. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
  8. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
  9. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
  10. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
  11. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
  12. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
  13. /home/www/wwwroot/chengyu.hicoo.net/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
  14. /home/www/wwwroot/chengyu.hicoo.net/vendor/symfony/polyfill-mbstring/bootstrap.php ( 0.35 KB )
  15. /home/www/wwwroot/chengyu.hicoo.net/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.81 KB )
  16. /home/www/wwwroot/chengyu.hicoo.net/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.60 KB )
  17. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-dumper/src/helper.php ( 0.18 KB )
  18. /home/www/wwwroot/chengyu.hicoo.net/vendor/symfony/var-dumper/VarDumper.php ( 4.23 KB )
  19. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
  20. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
  21. /home/www/wwwroot/chengyu.hicoo.net/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
  22. /home/www/wwwroot/chengyu.hicoo.net/app/provider.php ( 0.19 KB )
  23. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Http.php ( 6.22 KB )
  24. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
  25. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
  26. /home/www/wwwroot/chengyu.hicoo.net/app/common.php ( 2.76 KB )
  27. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/helper.php ( 18.77 KB )
  28. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Config.php ( 5.93 KB )
  29. /home/www/wwwroot/chengyu.hicoo.net/config/app.php ( 0.95 KB )
  30. /home/www/wwwroot/chengyu.hicoo.net/config/cache.php ( 0.78 KB )
  31. /home/www/wwwroot/chengyu.hicoo.net/config/console.php ( 0.23 KB )
  32. /home/www/wwwroot/chengyu.hicoo.net/config/cookie.php ( 1.66 KB )
  33. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
  34. /home/www/wwwroot/chengyu.hicoo.net/config/database.php ( 2.13 KB )
  35. /home/www/wwwroot/chengyu.hicoo.net/config/filesystem.php ( 0.61 KB )
  36. /home/www/wwwroot/chengyu.hicoo.net/config/lang.php ( 0.91 KB )
  37. /home/www/wwwroot/chengyu.hicoo.net/config/log.php ( 1.35 KB )
  38. /home/www/wwwroot/chengyu.hicoo.net/config/middleware.php ( 0.19 KB )
  39. /home/www/wwwroot/chengyu.hicoo.net/config/route.php ( 1.89 KB )
  40. /home/www/wwwroot/chengyu.hicoo.net/config/session.php ( 0.57 KB )
  41. /home/www/wwwroot/chengyu.hicoo.net/config/trace.php ( 0.34 KB )
  42. /home/www/wwwroot/chengyu.hicoo.net/config/view.php ( 0.82 KB )
  43. /home/www/wwwroot/chengyu.hicoo.net/app/event.php ( 0.25 KB )
  44. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Event.php ( 7.77 KB )
  45. /home/www/wwwroot/chengyu.hicoo.net/app/service.php ( 0.13 KB )
  46. /home/www/wwwroot/chengyu.hicoo.net/app/AppService.php ( 0.26 KB )
  47. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
  48. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
  49. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
  50. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
  51. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
  52. /home/www/wwwroot/chengyu.hicoo.net/vendor/services.php ( 0.15 KB )
  53. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
  54. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
  55. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
  56. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
  57. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
  58. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
  59. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
  60. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
  61. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
  62. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
  63. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.20 KB )
  64. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.75 KB )
  65. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
  66. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
  67. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.30 KB )
  68. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
  69. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
  70. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
  71. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
  72. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
  73. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
  74. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
  75. /home/www/wwwroot/chengyu.hicoo.net/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
  76. /home/www/wwwroot/chengyu.hicoo.net/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
  77. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
  78. /home/www/wwwroot/chengyu.hicoo.net/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
  79. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-helper/src/helper/Arr.php ( 17.45 KB )
  80. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/cache/driver/File.php ( 7.84 KB )
  81. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/cache/Driver.php ( 9.02 KB )
  82. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
  83. /home/www/wwwroot/chengyu.hicoo.net/app/Request.php ( 0.09 KB )
  84. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Request.php ( 54.64 KB )
  85. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/traits/UrlHandler.php ( 6.05 KB )
  86. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/traits/DomainHandler.php ( 5.49 KB )
  87. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/traits/HttpMethodHandler.php ( 4.74 KB )
  88. /home/www/wwwroot/chengyu.hicoo.net/app/middleware.php ( 0.28 KB )
  89. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
  90. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
  91. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/middleware/SessionInit.php ( 1.94 KB )
  92. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Session.php ( 1.80 KB )
  93. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/session/driver/File.php ( 6.27 KB )
  94. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/contract/SessionHandlerInterface.php ( 0.87 KB )
  95. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/session/Store.php ( 7.12 KB )
  96. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
  97. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/RuleName.php ( 5.74 KB )
  98. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
  99. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.41 KB )
  100. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/Rule.php ( 27.49 KB )
  101. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
  102. /home/www/wwwroot/chengyu.hicoo.net/route/app.php ( 11.49 KB )
  103. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  104. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
  105. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/route/Dispatch.php ( 11.32 KB )
  106. /home/www/wwwroot/chengyu.hicoo.net/app/controller/Chengyu.php ( 4.42 KB )
  107. /home/www/wwwroot/chengyu.hicoo.net/app/BaseController.php ( 3.46 KB )
  108. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/facade/View.php ( 1.70 KB )
  109. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  110. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/facade/Session.php ( 1.79 KB )
  111. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
  112. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.73 KB )
  113. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/PDOConnection.php ( 53.74 KB )
  114. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
  115. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
  116. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
  117. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/Builder.php ( 24.07 KB )
  118. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
  119. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/Query.php ( 15.97 KB )
  120. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
  121. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
  122. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
  123. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
  124. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
  125. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
  126. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
  127. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
  128. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  129. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  130. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/log/driver/File.php ( 6.10 KB )
  131. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  132. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  133. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  134. /home/www/wwwroot/chengyu.hicoo.net/app/model/Idiom.php ( 10.40 KB )
  135. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/type/DateTime.php ( 1.76 KB )
  136. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/model/contract/Typeable.php ( 0.26 KB )
  137. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-orm/src/db/Express.php ( 1.53 KB )
  138. /home/www/wwwroot/chengyu.hicoo.net/app/model/Story.php ( 3.92 KB )
  139. /home/www/wwwroot/chengyu.hicoo.net/app/model/MemberLike.php ( 1.11 KB )
  140. /home/www/wwwroot/chengyu.hicoo.net/app/model/Favorite.php ( 0.95 KB )
  141. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
  142. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  143. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
  144. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  145. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  146. /home/www/wwwroot/chengyu.hicoo.net/runtime/temp/9c5fc810f69019cb0743f013bcabb4fb.php ( 22.81 KB )
  147. /home/www/wwwroot/chengyu.hicoo.net/app/service/GradeService.php ( 5.79 KB )
  148. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Response.php ( 9.07 KB )
  149. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/response/Html.php ( 0.97 KB )
  150. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  151. /home/www/wwwroot/chengyu.hicoo.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.001610s ] mysql:host=127.0.0.1;port=3308;dbname=chengyu_hicoo;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `cy_idioms` [ RunTime:0.002829s ]
  3. SELECT COUNT(*) AS think_count FROM `cy_idioms` WHERE `status` = 1 [ RunTime:0.023626s ]
  4. SELECT * FROM `cy_idioms` WHERE `slug` = 'cong-tian-er-xia' AND `status` = 1 LIMIT 1 [ RunTime:0.000936s ]
  5. UPDATE `cy_idioms` SET `views` = `views` + 1 WHERE `id` = 2761 [ RunTime:0.006274s ]
  6. SELECT `chengyu`,`slug` FROM `cy_idioms` WHERE `status` = 1 AND `id` < 2761 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000824s ]
  7. SELECT `chengyu`,`slug` FROM `cy_idioms` WHERE `status` = 1 AND `id` > 2761 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000770s ]
  8. SHOW FULL COLUMNS FROM `cy_stories` [ RunTime:0.002601s ]
  9. SELECT `slug` FROM `cy_stories` WHERE `status` = 1 AND `chengyu` = '从天而下' LIMIT 1 [ RunTime:0.000728s ]
  10. SHOW FULL COLUMNS FROM `cy_likes` [ RunTime:0.001725s ]
  11. SELECT COUNT(*) AS think_count FROM `cy_likes` WHERE `idiom_id` = 2761 [ RunTime:0.000626s ]
  12. SHOW FULL COLUMNS FROM `cy_favorites` [ RunTime:0.001650s ]
  13. SELECT COUNT(*) AS think_count FROM `cy_favorites` WHERE `idiom_id` = 2761 [ RunTime:0.000586s ]
0.089466s