button your lip

US /ˈbʌt.ən jʊər lɪp/
UK /ˈbʌt.ən jʊər lɪp/
"button your lip" picture
1.

im lặng, ngậm miệng

to stop talking or to keep quiet

:
The teacher told the noisy students to button their lip.
Giáo viên bảo những học sinh ồn ào im lặng.
I had to button my lip to avoid arguing with him.
Tôi phải im lặng để tránh cãi nhau với anh ấy.