Excuse me

1. 请原谅(用于麻烦别人时)

Excuse me, does this bus go to the Central Park?

对不起, 这公共汽车开往中央公园吗?

2. 对不起(用于道歉或没听清对方的话时)

You should say "Excuse me" when you step on somebody's foot.

如果踩了别人的脚, 你应该说 "对不起"。

excuse oneself

1. 要求得到原谅; 为自己辩解

She excused herself for coming late.

她因来晚而请求原谅。

2. 请求免除; 请求准予离开

He excused himself from the party.

他要求不参加这次聚会。

in excuse of

1. 作为……辩解

In excuse of his failure he said that he had not been well during the test.

他以考试期间身体欠安来作为他失败的借口。

make one's excuses

1. 表示歉意

Make my excuses to your wife, I'm sorry to miss her birthday party.

请代我向你夫人致歉, 我很遗憾没能参加她的生日聚会。