暴露自己

In a slip of the tongue the schemer exposed his true motivation.

阴谋者一时口误了动机。

He exposed himself to the enemy's gunfire.

他把在敌人炮火之下。

The parvenu was much too foxy to let slip even a hint of his working-class background.

发户十分狡猾，他决不是工人出身这一事实。

He who excuses himself exposes himself.

越为辩解人越错误。

He never revealed his identity.

他从未过身份。