I need someone to help me.

我需要有人帮我。

《柯林斯英汉双解大词典》

We need someone to generate new ideas.

我们需要有人出新主意。

《牛津词典》

We need someone with youth, glamour and pizzazz.

我们需要一位年富力强、魅力十足、风度翩翩的人。

《牛津词典》

But no one had done it. Post believed he would need someone to help him in the effort.

VOA: special.2009.03.18

But if you need a slave representing your business, and you live in Rome and you need somebody in Ostia, the port city of Rome, to be able to be there and watch your imports and your exports of your business, you need someone who can sign contracts, who can lend money, who can borrow money, who can do things like that.

如果你需要一名奴隶代理你的生意，如果你住在罗马，需要有人，在罗马奥斯蒂亚港口,照看你的进出口生意，就得要能签合同，可以放债贷款，及其他类似事务的人。

耶鲁公开课 - 新约课程节选

Someone comes up to you and says, "You need to come in further!"

有个人走到你跟前说，“你进屋里来啊！”

I'd better 课堂 - SpeakingMax英语口语达人

Management is dire, we need someone to come in and sort out this mess.

BBC: Royal Mail is to be privatised, government confirms

Instead, you need someone who has a complete understanding of, and specialized training in, divorce.

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