He is a diamond in the rough.

他是一个潜力股。

youdao

He is said to be a rough diamond.

人们说他是一块浑金璞玉。

youdao

The boss looks ill-tempered, but he is in fact a diamond in the rough.

老板看上去脾气暴躁，其实可是个脾气坏良心好的人。

youdao

Eg. 1. He is said to be a rough diamond.

人们说他是一块浑金璞玉。

youdao

Eg. 1. He is said to be a rough diamond.

人们说他是一块浑金璞玉。

youdao