Translation of "Thirty" into Chinese

"Thirty dollars is a lot for that small room," he thought.

「這麼狹小的房間要三十元實在是太貴了。」他想。

You look the way your father did thirty years ago.

你看上去就像是三十年前你父親的樣子。

Hun Sen has been in power for thirty years already making him the longest-serving leader in Southeast Asia.

洪森已执政卅年,是东南亚在位最久的国家领袖。

There are at least thirty students in our class.

我们班至少有三十个学生。