过河拆桥

过河拆桥:

Literally means:

tear apart the bridge after crossing the river; kick down the ladder.

Actually means:

It literally means removing the bridge after crossing the river. It figuratively means once attaining his goal, one drops his benefactor or even hurts him.

It is usually used to accuse those who return evil for good. Derogatory.

过河拆桥，过了河以后就把河上的桥拆掉。它比喻达到目的以后，就抛弃甚至伤害曾经帮助过自己的人了。

常用来指责人没有良心。具有贬义色彩。