You should look out for pickpockets.

你应当提防扒手。

《牛津词典》

You should look out for yourself from now on.

从现在起你应该多为自己着想。

《牛津词典》

I should look out if I were you!

如果我是你，我就会小心的。

《柯林斯英汉双解大词典》

If it is necessary to borrow some money to fix the car, you should look for a friend who is an "easy touch".

VOA: special.2009.06.07

In valence bond theory, the focus is on discussing the bonds, but it should look very familiar to you, because there's two types of bonds that we want to discuss here.

在价电子成键理论中，所关注的是讨论成键，但这对于你们来说应该很熟悉，因为这是我们要讨论的两种键。

麻省理工公开课 - 化学原理课程节选

I was trying to find it but I did not know where I should look.

我试图自己找到这个银行，但不知从何找起。

Is there 课堂 - SpeakingMax英语口语达人

Telecom companies should look for continued flatness in landline activity, with moderate growth in cellular.

FORBES: Telecom Economic Forecast, 2013-2014

And memo to Andrew Mason: we still think you should look at OpenTable ( OPEN).

FORBES: Connect

Since everyone lies, perhaps the way we should look at this issue in another way.

FORBES: Why Financial Advisers Lie