I'm not knocking them: if they want to do it, it's up to them.

我不是在说他们的坏话：如果他们打算做这件事，由他们决定。

《柯林斯英汉双解大词典》

If you're not careful, you could finish up seriously ill.

你要是不小心，可能到头来会得场大病。

《牛津词典》

They threatened to take up arms against the government if their demands were not met.

他们威胁说，如果要求得不到满足就拿起武器对抗政府。

《柯林斯英汉双解大词典》

If the lead climber were injured in a fall from any higher up, the belayer could not get him down.

VOA: special.2009.12.09

If you scroll back up on the printout or screen here, you'll see that you can actually not only declare function's prototypes, their general structure.

如果我回滚到打印输出或者这个屏幕，你们将看到你们不仅可以声明函数的原型,它们的一般结构。

哈佛公开课 - 计算机科学课程节选

And what I'm showing here is not on your notes, if you're interested you can look it up in your book.

我这里展示的没有在你们的讲义里给出，如果你们感兴趣的话可以看看课本。

麻省理工公开课 - 化学原理课程节选

The men promised it was "top quality" and could be returned if not up to scratch - and this time it was not a camcorder job, with sound and visuals that were not perfect, but definitely watchable.

BBC: NEWS | Entertainment | Tracking down the pirate DVDs

Not turn up if there's nothing better to do, not turn up if they can check with their diary or their agent or their other friends, just naturally, automatically, call the taxi and go.

WSJ: The Novelists

Healthy yen earnings could, if not gobbled up by higher yen prices for imported goods in Japan, and under the right conditions, fund new investments in sales- and growth-boosting activities such as research and development.

WSJ: Business Asia: Unearned Praise for Abenomics