My nerves were constantly on edge.

我的神经处于不断紧张中。

《柯林斯英汉双解大词典》

She was always on edge before an interview.

她在面试前总是紧张不安。

《牛津词典》

Just the sound of her voice sets my teeth on edge.

我一听到她的声音就浑身不舒服。

《牛津词典》

There is literally concrete evidence of their work." Tony Hawk says skateboarding was once a sport on the edge of society.

VOA: special.2009.09.11

Once you know what pieces to look for, what mental constructs to reach for, can you realize all right I want to make some dancing figures go back and forth, I need to loop this way and loop this way and check if I'm on the edge and so forth.

一旦确定需要查找的部分,想要达到那种层次，你是否意识到,我想做出一些可以来回走动跳舞的人，我需要按这种方式那种方式让它转圈,并检查我是否,到了屏幕的边缘等等。

哈佛公开课 - 计算机科学课程节选

There was an edge to them, as if the whole thing could collapse on their heads.

但他们总能把握好分寸,好像在担心什么东西,垮下来的话会压死他们似的

耶鲁公开课 - 欧洲文明课程节选

The crime, the grisliest Montreal police have seen in years, has Canadians on edge.

CNN: STORY HIGHLIGHTS

So long as that happens, Asia's financial markets will continue to be on edge.

ECONOMIST: Bruised, battered and broke

He is trying to create all kinds of psychological warfare to keep these cities on edge.

BBC: Libya unrest: Loyalists battle rebels for oil terminal