三十

三十

Thirty

In this sentence, '三十' indicates the numeral 30, specifying the speaker's age.

我今年三十岁了。

I am thirty years old this year.

Here, '三十' is used to express the price, showing the monetary value of the clothing item.

商店里的这件衣服三十块钱。

This piece of clothing in the store costs thirty yuan.

In this example, '三十' quantifies time, denoting the duration taken to finish the task.

他花了三十分钟完成了这个任务。

He spent thirty minutes completing this task.