行为不良

Mary denounced her husband for bad behavior.

谴责丈夫不良行为。

One bad deed can blemish a good reputation.

一次不良行为可损害好名声。

His bad behaviour resulted in his expulsion from school.

他不良行为导致他被学校开除了。

That confounded boy's bad behaviour annoys me.

那个讨厌男孩不良行为使我烦恼。

Furthermore, there is a marked absence of peer pressure here, which would make itself palpably felt when such anti-social conduct occurs.

再者，本地明显缺乏同辈人之间压力，致使不良行为发生时，众人浑然不觉其不妥。