走吧！我们去吃饭。

Zǒu ba! Wǒmen qù chīfàn.

Let's move! We'll go eat!

他中午在办公室吃饭。

Tā zhōngwǔ zài bàngōngshì chīfàn.

He eats lunch at the office.

中午我们一起吃饭好吗？

Zhōngwǔ wǒmen yìqǐ chīfàn hǎo ma?

Shall we eat together at noon?