keep a lid on
US /kiːp ə lɪd ɑn/
UK /kiːp ə lɪd ɑn/

1.
mengendalikan, menjaga kerahasiaan, menahan
to control or keep something secret, especially something that could cause trouble or embarrassment
:
•
The company tried to keep a lid on the scandal.
Perusahaan mencoba menjaga kerahasiaan skandal itu.
•
We need to keep a lid on our spending this month.
Kita perlu mengendalikan pengeluaran kita bulan ini.