转弱为强，转败为胜

1. 扭转局势：turn tail 逃跑 | turn the tables 扭转局势 | turn turtle (乌龟、汽车)四脚朝天

2. 扭转局面：turn the scale 扭转局面 | turn the tables 扭转局面 | turn to account 利用

3. 改变形势, 扭转局面：keep something under the hat 不张扬某事 | turn the tables 改变形势, 扭转局面 | All's well that ends well. 结局好, 什么都好.

4. 改变局势：walk out with 与......谈情说爱 | turn the tables 改变局势 | swear black is white指鹿为马:不择手段

verb

1. cause a complete reversal of the circumstances

e.g. The tables are turned now that the Republicans are in power!

Synonym: turn the tide