let slip

偶然泄露(秘密等)

例句与用法：

She let slip some remarks about my daughter.

她无意中说出了一些有关我女儿的话。

She will never let slip a chance to study abroad.

她绝不会错过出国学习的机会。

She let slip a chance to work abroad.

她错过了出国工作的机会。

She let slip that she had not paid her tax.

她偶然说出她还没交税呢。