Oh, bother him! He's never around when you need him.

哎呀，他可真讨厌！需要他的时候从来都找不到他。

《牛津词典》

Where's that plumber when you need him?

当你需要时，管道工又在哪里？

youdao

He is always there when I need him.

每当我需要帮助的时候，他总是会出现。

youdao

"Golf needs him,they need him. Economic times as bad as they are, us trying to find sponsors for this, all over the world trying to find sponsors for golf tournaments.

VOA: standard.2009.12.16

They can always depend on him to support them anytime they need him too.

需要他的时候，他们总是能够得到他的支持。

I don't care实战 - SpeakingMax英语口语达人

And then she is gripped with--as she says, "overcome all at once"-- by a need to touch him, as if she could not believe in him or would not remember him.

然后，就像她说的，“突然克服了“一样，她被一种接触他的需要紧紧握住，就像是她不能够相信他，或者是记得他。

耶鲁公开课 - 1945年后的美国小说课程节选

"He's young still, so we just have to reinforce that we need him, " Rivera said.

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We need him to do what he is supposed to do and only that.

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"We talked about it all spring: We need him for the long haul, " Redmond said.

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