She was a diamond in the rough.

她是还未雕琢的钻石。

He is a diamond in the rough.

他是一个潜力股。

You are a diamond in the rough.

你是钻胚中的钻石。

Nixon: Diamond in the rough.

尼克松：粗糙钻石。

Taipei is a diamond in the rough.

台北是颗未经雕琢的钻石。