He stops to look behind.

他停下来往后看了看。

youdao

Don't look behind or you may fall.

别向后看，不然你会摔跤的。

youdao

Because we must not always look behind.

因为我们不必要总是向后看。

youdao

Next time I'm actually going to take this a bit further but I'm going to leave this game behind and look at other ways in which we could study imperfect competition using Game Theory.

下一讲我们讲得会更深入一些,但下一讲我们不讲这个案例了,我们用其他博弈方法研究不完全竞争

耶鲁公开课 - 博弈论课程节选

But I sometimes, I come just walk around, look at Yankees Stadium as you can see behind me

但我有时候过来附近只是散散步，看看位于我身后的洋基体育场，你也看到了。

在梅可姆公园 - SpeakingMax英语口语达人

But look behind the headline figure, and the calculation isn't quite as it might seem.

BBC: Tax Cuts Earn Limited Returns

The taxman calls these corporate income, not individual income, but we must look behind the corporate veil.

FORBES: With His Tax Proposals, Warren Buffett Flunks Economics 101

That is not about to happen and if you look behind the rhetoric the very opposite seems more likely.

FORBES: On Your Own: Investing in An Era of Irrelevant Regulation (October 2009)