留把柄

留把柄

Literally means:

leave a handle

Actually means:

make a mistake that others can take advantage of to attack or put pressure on him

把柄 literally refers to the handle of a utensil. It figuratively means one's fault or mistake that others can take advantage of to put pressure on him.

The phrase metaphorically means giving others evidence to put pressure on or attack him

把柄，器物上供人用手拿的部分。比喻可以被人用来进行要挟的过失或错误等。

留把柄，比喻给人留下要挟或攻击的东西。