keep a (或the) lid on

(informal)keep (an emotion or process) from going out of control

(非正式)克制（情感）；控制（事态）

she was no longer able to keep the lid on her simmering anger.

她再也无法克制住满腔的怒气了。

put a (或the) lid on

(informal)put a stop to or be the culmination of

(非正式)中止…，结束…

it's time to put the lid on all the talk.

到了该结束所有这些谈话的时候了。

take (或lift) the lid off (或lift the lid on)

(informal)reveal unwelcome secrets about

(非正式)揭露…的真相