脱口说英语口语校园习语大全

S-2:seal someone's lips 不让某人说话

A:How about your exam?
A:你考试考得怎么样？

B:Sorry, I can't tell you.
B:抱歉我不能告诉你。

A:Why not? Are your lips sealed?
A:为什么？你的嘴被封住了吗？

B:No. Just because I failed in the exam.
B:不，只是因为我考得不好。