1、泼冷水
back water：退缩；死气沉沉的状态；文化落后的地方 throw cold water：泼冷水 A lot of/much water has flown/run under the bridge since：自从那时起, 已经过了很久 ..
2、浇冷水
浇冷水(throw cold water), 此释义来源于网络辞典。
3、泼凉水
... 覆水难收（过去了就算了） water over the dam 泼凉水 throw cold water （论据、观点等）站得住脚 hold water ...
throw w cold water on泼冷水;对…泼冷水
throw cold water at的意思
throw cold water on泼冷水;浇冷水;对……泼冷水;泼冷水凉水
throw cold water on sb泼冷水
to throw cold water on浇冷水
throw cold water on something泼冷水
throw cold water on sth泼冷水