You need a haircut.你需要剪头发了。

I need a holiday.我需要放个假。

A signature is needed.需要签个字。

The car needs a service.这辆车得保养了。

He needs looking after.他需要照顾。

We think changes need to be made.我们认为应该做些改动。

She doesn't need to know I'm here.她不必知道我在这儿。

You don't need to worry about me.你不必替我担心。

Tell them they don't need to wait for me.告诉他们不用等我。

You didn't need to pay me for it, but thanks anyway.你看你原本不必再给我钱的, 但还是要谢谢你。

I hardly need to say that all this is highly confidential.不用我说, 这一切都是高度保密的。

I'm sure I don't need to spell out the consequences to you.我相信用不着我对你说明后果了。

I don't need your witty comments, thank you very much.我不需要你的高见, 多谢了。