每日商务英语 第240期:泄露秘密

to let on 泄露秘密（非正式用语）

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英文释义

To reveal a secret.

例句

Everyone in the office was careful not to let on about the party planned for their manager's birthday.

办公室里的每个人都在小心翼翼地保守为经理举行生日聚会的秘密。