蠢事

He has a knack of doing stupid things.

他惯于做蠢事。

The youngsters got up to all sorts of amusing antics.

这人做出各种各样可笑蠢事。

I was betrayed into folly.

我受蒙骗而做蠢事。

The aim of the campaign is to make young people believe that smoking is a mug's game.

这项运动目是使人相信吸烟是件蠢事。