Why don't you grow up?

你怎么就长不大呢？

《牛津词典》

Time makes you grow old, and experiences make you grow up.

时间让人成长，经历让人成熟。

youdao

Where did you grow up?

你是在哪里长大的？

youdao

We have great hopes for you when you grow up."

VOA: special.2010.08.12

And in it you really talk about what it is to grow up as a Muslim in suburban America.

在这本书中，您讲到了,作为一位穆斯林，在美国市郊成长的经历。

普林斯顿公开课 - 人性课程节选

But the only way you're ever going to get out of talking like a child is if you grow up like a child does.

但是，如果你不想像儿童那样磕磕巴巴地讲话，你就要像儿童一样，快速地成长起来，这是唯一的途径。

想学好英语吗？ - SpeakingMax英语口语达人

What do you want to be when you grow up, have you decided yet?

WHITEHOUSE: Town Hall in Los Angeles

"When you grow up in Brooklyn, you know, sometimes arguing is the sport, " he told the newspaper.

FORBES: Magazine Article

But when you grow up in the suburbs, you don't have that sort of material to draw on.

WSJ: Screenwriter-Novelist Derek Haas on Popcorn Fare | Word Craft