我们需要几个男子作心理学实验对象。

We need some male subjects for a psychology experiment.

youdao

我们需要几个壮汉推这辆车。

We need several sturdy men to push this car.

youdao

我们需要几个强壮得足以做这件工作的人。

We need several men strong enough to do the work.

youdao

> Well, to get started I guess we're going to need a couple of pointers.

>，呃，我想我们需要,几个指针来开始。

哈佛公开课 - 计算机科学课程节选

We have 266 ping-pong balls, and we need someone, hopefully you, to be some radioactive material that are going to be emitting these ping-pong balls. And when the time comes, in just a minute, I'll ask the TAs to come down and hand these out very quickly to you, so we can do this experiment.

你们有些人那天，看到我在办公室数乒乓球，我们需要几个人,希望是你,来作为放射材料，放射这些乒乓球,等会我会让助教,把这些球发给你们。

麻省理工公开课 - 化学原理课程节选