情景對話：

A: How about your exam?

你考試考得怎么樣？

B: Sorry, I can't tell you.

抱歉我不能告訴你。

A: Why not? Are your lips sealed?

為什么？你的嘴被封住了嗎？

B: No. Just because I failed in the exam.

不，只是因為我考得不好。

1. 詞匯拾貝

seal one’s slips

exp. To be tight-mouthed. （說話嚴謹，守口如瓶）

e.g. John wanted to talk, but Mary told him to keep seal his lips.

約翰想說，但瑪麗要他守口如瓶。

e.g. She seals her lips. So far she has not breathed a word about that.

她的嘴很緊，直到現在對那件事她也沒有吐露一個字。

e.g. I am determined to find out the secret of her sealing her lips toward her mother.

我得弄明白她為什么對她母親守口如瓶。

2. 語匯積累

fail in：失敗

e.g. By my calculation, 5% of the students will fail in the exam.

據我估計，百分之五的學生不能通過這次考試。

e.g. You will bring the blame of others upon yourself if you fail in this.

如果你在這件事上失敗了, 就會招來別人的非議。