How did your knee get off track?

你的膝盖怎么会出轨呢？

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They understand that the country is off track.

他们知道这个国家偏离了轨道。

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Once a product goes off track, it's difficult to bring it back.

一旦产品上市，就很难将其再召回。

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I was an undergraduate here in 1995 as a freshman, I came in thinking I was going to major in government and sure enough I started off on the track; I'd like history, I'd like government, English, these kinds of things in high school.

995年我作为本科新生进入哈佛，我刚来的时候想主修政治,后来我就沿着这条路走了下去，我喜欢历史，政治和英语，就像高中的时候一样。

哈佛公开课 - 计算机科学课程节选

But the guy working, the one on the track off to the side, he didn't choose to sacrifice his life any more than the fat man did, did he?

但在侧轨上施工的那名工人，他并不比那个胖子，更愿意牺牲自我，不是吗？

耶鲁公开课 - 公正课程节选

It was like the off-track betting system.

这有点像场外下注。

斯坦福公开课 - 经济学课程节选

We had the game won and we started it well but then went off track.

BBC: England can offer more - Johnson

We got off track in America because adult stem cells are confused with embryonic stem cells.

FORBES: One Man's Reluctant Tour For Adult Stem Cells

Rookie Spies again turned on the style after running off track on the second lap.

BBC: Matt Roberts MotoGP column