The hero of the novel is a ten-year old boy.

这部小说的主人公是个十岁的男孩。

《牛津词典》

I have a ten-year-old in school.

我有个十岁的孩子在上学。

《牛津词典》

This robot was invented by a ten-year-old pupil.

这款机器人是由一位十岁的小学生发明的。

youdao

She was arrested and charged with sexual wrongdoing with a ten-year-old boy.

VOA: special.2009.02.22

which you'll think, only a ten or eleven year old, but when there is thirteen of them, it's a lot.

你会想，不就是十岁、十一岁的小孩嘛，但有十三个还是很多的。

大城市是否危险？ - SpeakingMax英语口语达人

And he still flies economy, avoids wearing suits and drives a ten-year old Volvo.

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NC4 Corporation, a ten-year old company that has turned security into a profit center by providing such a service.

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It used to be a problem just for the high-school kid withe a ten-year-old Mustang: Get in a fender bender and the insurance company declares the car a total loss because the repair cost is greater than the value of the repaired car.

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