翻：翻转；覆：上下位置颠倒。形容一次又一次重复

Overturned repeatedly

在下雪天给人送炭取暖。比喻在别人急需时给予物质上或精神上的帮助。

To send charcoal in snowy weather; to offer timely help when someone is in real need.

在锦上再绣花。比喻好上加好，美上添美。

To add flowers to brocade; to embellish something already excellent, an improvement on perfection.

谓没有正当理由而出兵征伐。

Achieve success in a campaign without fame