每日商務英語 第647期:守口如瓶

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My lips are sealed ---------- 守口如瓶（成語）

英文釋義
（IDIOM）An interjection assuring the listener that you will reveal no secrets.

例句
When my brother told me his secret plan for a new business, I told him "my lips are sealed" and he knew he could trust me.
當我的兄弟把他的新商業祕密計劃告訴我時，我對他說：“我會守口如瓶。”他知道，他可以信任我。