Their engagement was to be a secret but the ring on her finger let the cat out of the bag.

他们俩订婚原本想保密的，可是她手指上的戒指却把这个秘密泄露出来了。

youdao

We stay in touch with our secret service. They were part of growing up for us: there for first dates, first days and even an engagement and a honeymoon.

我们和特勤人员还保持着联系。他们是我们成长的一部分：第一次约会，热恋期甚至订婚和蜜月都有他们的身影。

youdao

Their engagement was to be a secret but the ring on her finger let the cat out of the bag.

他们俩的订婚原本是个秘密，可她手指上的戒指却将这个秘密泄露了出来。

youdao

He was looking at a copy of classified rules of engagement in Iraq from 2006, one of several secret American military documents that he was planning to post with the video.

NEWYORKER: No Secrets