晚上她们一起吃饭。

Wǎnshang tāmen yìqǐ chīfàn.

In the evening they eat together.

她们是我同学，很喜欢学汉语。

Tāmen shì wǒ tóngxué, hěn xǐhuān xué Hànyǔ.

They are my classmates and really like learning Chinese.

你认识她们吗？

Nǐ rènshi tāmen ma?

Do you know them?