Nothing can excuse such rudeness.

如此无礼决不可宽恕。

Please excuse me for arriving late — the bus was delayed.

请原谅我来晚了，公共汽车晚点了。

Nothing can excuse such irresponsible behaviour.

这种不负责任的行为是完全没有理由可言的。

He excused himself for being late by saying that his car had broken down.

他为迟到辩解，说自己的汽车坏了。

She excused herself and left the meeting early.

她礼貌地告辞后，就提前离开了会场。

Stop making excuses for being lazy!

别再为你的懒惰找借口了！

Birthdays are always a good excuse for a party.

生日总是聚会的好理由。