keep a lid on

US /kiːp ə lɪd ɑn/
UK /kiːp ə lɪd ɑn/
"keep a lid on" picture
1.

控制, 保密, 掩盖

to control or keep something secret, especially something that could cause trouble or embarrassment

:
The company tried to keep a lid on the scandal.
公司试图掩盖丑闻。
We need to keep a lid on our spending this month.
我们这个月需要控制开支。