他是模范儿童。

He is a model child.

youdao

一年内，她从问题儿童变成了模范学生。

In one year she turned from a problem child into a model student.

《牛津词典》

多亏了我的英语老师，我在一年内从问题儿童变成了模范学生。

Thanks to my English teacher, I turned from a problem child into a model student in just one year.

youdao

多亏了我的英语老师，我在一年内从问题儿童变成了模范学生。

Thanks to my English teacher, I turned from a problem child into a model student in just one year.

youdao