如果你行为不端，你将会受到惩罚——就这么简单。

If you ___misbehave, you will be punished - it's as simple as that.

由于一些学生行为不端并扰乱了附近居民，需要道歉。

An apology was required because some students ___misbehave and disturb the nearby residents.

专业人士在重要谈判中行为不端是至关重要的。

It is crucial for professionals not to ___misbehave during important negotiations.