He was excused from class due to illness.

他因病没来上课。

She excused herself and left the meeting early.

她说了声“请原谅”就提前离开了会场。

Many people might have excused them for shirking some of their responsibilities.

很多人也许已经原谅他们逃避一些责任的行为了。

He excused himself and went up to his room.

他礼貌地告辞后便上楼去了自己的房间。

I excused myself and ran back to the telephone.

我道了歉，跑回去接电话。

As soon as he'd finished eating, he excused himself.

他一吃完就借口离开了。