我有点渴，有水吗？

Wǒ yǒudiǎn kě, yǒu shuǐ ma?

I'm a little thirsty, do you have water?

我渴了。

Wǒ kě le.

I'm thirsty.

我太渴了，很快就喝了一公升的水。

Wǒ tài kě le, hěn kuài jiù hē le yì gōngshēng de shuǐ.

I was so thirsty that I quickly drank a liter of water.