button your lip

US /ˈbʌt.ən jʊər lɪp/

UK /ˈbʌt.ən jʊər lɪp/

閉嘴, 保持安靜

to stop talking or to keep quiet

•

The teacher told the noisy students to button their lip.

老師讓吵鬧的學生閉嘴。

•

I had to button my lip to avoid arguing with him.

我不得不閉嘴，以避免和他爭吵。