Translation of "Bucks" in Chinese

You owe me thirty bucks.

你欠我三十美元。

He borrowed one hundred bucks from me.

他跟我借一百块。

- Tom owes Mary thirty dollars.
- Tom owes Mary thirty bucks.

Tom欠Mary三十元。

Where is your twenty? I'll give you five bucks for it.

你的二十塊在哪裡? 我給你五塊錢找到它。