He prowled around the room, not sure what he was looking for or even why he was there.

他在房间里悄悄地走来走去，不知道自己在找什么，甚至不知道自己为什么在那里。

《柯林斯英汉双解大词典》

A good tip is to pick people out and look at them for around five seconds. Not looking at the audience gives the impression that you're either not interested in them or terrified of them.

一个很好的建议是挑一些人，看着他们大约五秒钟。不看观众会给人留下这样的印象：你要么对他们不感兴趣，要么对他们感到恐惧。

youdao

There were over 100 Westerners, not a single Indian. I was looking around and saying, 'Well, where are the Indians?'

我们也去过纽约的puck buildding，那里有100多个西方的学生，但是没有一个是印度的，我就看了看四周，说'好吧，印度人都去哪里了？

youdao

It is not about that we like to kill anyone around the world. We are just looking for our rights and our freedom."

VOA: standard.2009.12.12

You just got to be looking around all the time to make sure you are not going to be run down.

你随时观察四周以确保你不会被撞倒。

伦敦的蓝色自行车 - SpeakingMax英语口语达人

We were just in a hurry, not looking around like we should have been.

NPR: For Air Travelers, More Safety and More Problems

And Obama's priorities reflect the desires of the American people, which run to fixing America's own broken house, not chasing around the world looking for others to repair.

CNN: Obama's no-win options in Syria

Of course motorists spend most of their time inside the car looking out, not the other way around, and the 2012 Acura TL remains rewarding in this regard.

FORBES: 2012 Acura TL Review: Balancing Act