The time limit has expired; the deadline has been reached; there is no time left.
超过期限了;截止日期已到;没有时间了。
OK, everyone, time's up for this week.
I enjoyed trying out the virtual reality machine, but my time was up before I could really get into it.
我很喜欢试机这个过程，但在我真正了解它，我的时间就到了。
