button your lip
US /ˈbʌt.ən jʊər lɪp/
UK /ˈbʌt.ən jʊər lɪp/

成語
1.
閉嘴, 保持安靜
to stop talking or to keep quiet
範例:
•
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。
在 Lingoland 學習這個單詞