All right,there's somebody who comes along and says, Oh,I need to get to a date.I'm going to be late.

可能有人过来说，我有一个约会，我要迟到了。

耶鲁公开课 - 死亡课程节选

I'm running late. I have a class in 10 minutes.

我要迟到了。还有十分钟就要上课了。

I'd better 实战 - SpeakingMax英语口语达人