His only chance of survival was a heart transplant.

只有进行心脏移植，他才有望活下去。

《牛津词典》

I told my children that it was quite necessary for them to study hard and that it was their only chance to change their lives.

我告诉我的孩子，必须努力学习，这是改变生活的唯一机会。

youdao

It's not the only chance in life to do well on a test.

又不是一辈子只有一次机会考试得好成绩。

youdao

I could not fight. My only chance was to escape.

VOA: special.2010.07.17

You're going to get a chance to explore them, and you'll see not only are there the standard numerics for strings, there are things like length or plus or other things you can do with them.

以后你们还会学到更多，你会学到字符串,不仅仅能运用标准数值运算，你还可以对他们求长度,或者加上其他的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Your only real chance was not allowed to happen.

你唯一的这次机会是不容错过的。

斯坦福公开课 - 经济学课程节选

Fourthly, we know that successful peace processes are our only chance of escaping the circle of violence.

CNN: Story highlights

And this, the undrafted rookie openly acknowledges, just might be the only chance he'll get.

WSJ: Bills WR Rogers eager to put troubled past behind

The only chance lay in forcing a pause that would allow the bargaining to begin.

NEWYORKER: General Principles