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

者一时口误暴露了自的动机。

He exposed himself to the enemy's gunfire.

他把自暴露在敌人炮火之下。

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

暴发户十分狡猾，他决不暴露自是工人出身这一事实。

He who excuses himself exposes himself.

越为自辩解的人越暴露自的错误。

He never revealed his identity.

他从未暴露过自的身份。