自以为是英文是 "self-righteous"，来源于拉丁文 "rectus" 和 "iustus"，意思是正直和正义。例句：

His self-righteous attitude made him unpopular among his friends.

他的自以为是的态度使他在朋友中不受欢迎。

She was too self-righteous to apologize for her mistakes.

她太自以为是了，不愿意为她的错误道歉。

中文翻译：

他的自以为是的态度使他在朋友中不受欢迎。

她太自以为是了，不愿意为她的错误道歉。