- 1
To suddenly stop talking and refuse to say any more — because of fear, shyness, or a secret. The picture is a clam snapping its shell shut. Informal. You clam up, or clam up ABOUT something. No object.
突然閉口不談、死不開口
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
clam upverb
- 1
informalTo become silent; to stop talking.
- Maybe he … or she … was a witness who refused to clam up … a whistle blower …
- Teenagers' father. Alright, Matt, I think you've made your point. Matt Foley: Dad, I sincerely wish you'd do everyone a great service, and clam up!
- 2
To make or become clammy.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。