他们俩是情侣。

Tāmen liǎ shì qínglǚ.

They are lovers.

我们俩在一起十几年了。

Wǒmen liǎ zài yìqǐ shí jǐ nián le.

We've been together for more than ten years.

你们俩都喝醉了！

Nǐmen liǎ dōu hēzuì le!

You two are drunk!