At clipping time sheep need to be penned.

在剪羊毛时，需要把羊圈起来。

《牛津词典》

We need tighter security at the airport.

我们需要在机场实行更加严密的安全措施。

《牛津词典》

I'm feeling burnt-out at work—I need a holiday.

我觉得工作得太累了—我需要休假。

《牛津词典》

That needs to be understood. But this time, we need to put the story of emancipation at the center of this narrative, because what really transformed the United States, were not those battles.

VOA: special.2011.04.09

So what you gonna see here in United States, especially at university level, is a stronger need for Muslim chaplains.

因此在美国，特别是在大学里面，需要越来越多的穆斯林教士。

普林斯顿公开课 - 人性课程节选

In the first example, you could be at a social gathering and you really feel the need for some nicotine.

在第一个例子中，你可能在一个社交聚会上，你特别想找个地方抽根烟。

Do you mind 课堂 - SpeakingMax英语口语达人

The Lib Dems said the package would only work if it directed help to people most at need.

BBC: Brown hails EU recovery package

The fiscal commission showed that you need to look at entitlements, you need to look at tax expenditures, you need to look at military spending.

WHITEHOUSE: Press Briefing

When one party in a negotiation exudes any emotion that even hints at need, the adversary will simply go to town to exact terms and arrangements highly disadvantageous to the needy party.

FORBES: Obama's Predatory Debate Moves Reveal His Political Prowess