He used his wife's birthday as a convenient excuse for not going to the meeting.

他说要给妻子过生日，利用这个借口，就不去参加会议了。

《牛津词典》

It's just an excuse for a party.

这只是借故一起聚会。

《牛津词典》

There's no excuse for such behaviour.

这种行为说不过去。

《牛津词典》

They say the Earps and Doc Holliday did not fire in self-defense, but used the law as an excuse for murder.

VOA: special.2010.02.15

But if you-- The reason I'm saying that is, you know, you know that you're getting married that day for example, we will excuse you from the quiz to get married.

但是如果你--我之所以这么说，你们懂的,比如你们那天要结婚，我们会取消你的考试让你去结婚。

麻省理工公开课 - 计算机科学及编程导论课程节选

Excuse me, where do I go for English classes?

不好意思，打扰一下，我可以去哪里上英语课？

在外国说英语的方法 - SpeakingMax英语口语达人

The decision process is neither easy nor quick, but that is not an excuse for shortcuts.

FORBES: Unlocking China's Consumer Power

It is by far the lamest excuse for an article that I have ever read.

FORBES: Readers Say

An excuse for the promotional sharks, both bull and bear, and stir up the waters.

FORBES: Gold At $1,342 Is Taking A Breather