He disliked it when she behaved badly in front of his mother.

他讨厌她在他母亲面前举止失当。

He behaved badly towards her.

他待她很差。

I Behaved Badly. I apologize.

我刚才表现不好。我道歉。

He behaved badly towards the guests.

他对客人们很不礼貌。

The child behaved badly at the party.

那孩子在聚会上的表现很差。