Definition: to be nervous or worried Level: C2
因为即将到来的考试，我很紧张。
I ___am ___on ___edge because of the upcoming exam.
在整个会议期间，他都紧张不安。
He ___was ___on ___edge during the entire meeting.
他们紧张地等待着结果。
They ___are ___on ___edge waiting for the results.
