keep down
keep downphrasal verb
UK/ˌkiːp ˈdaʊn/US/ˌkiːp ˈdaʊn/
Dạng từ: keeps down · kept down · keeping down
LOW
B2to stop the number, level or size of something from increasing
- We're trying to keep costs down.
QUIET
B2keep it down: to make less noise
- Keep it down – the baby's asleep!