Translation of "Bowls" in Chinese

How many bowls do we have?

我们有几个碗？

How many bowls of rice did you eat?

你吃了幾碗飯？

I'd like mapo tofu, and two bowls of rice.

我要麻婆豆腐，还有两碗米饭。

For many years, he ate only two bowls of rice a day.

他很多年都一天只吃两碗米饭。