1.因…而发笑
We laughed at his jokes.
我们听了他的笑话都笑了.
2.嘲笑,取笑
Are you laughing at me?
你在嘲笑我吗?
No one laughed at her when she failed.
当她失败时,没人讥笑她.
The foolish boy was laughed at wherever he went.
这个愚蠢的男孩不论走到哪里都受到讥笑.
3.蔑视; 对…满不在乎
He laughed at the difficulties.
他不把这些困难当一回事.
The boy laughed at his failure in the exam.
这男孩对考试不及格不以为然.
His idea is not to be laughed at.
不该对他的意见满不在乎.