你有交往对象吗？

Nǐ yǒu jiāowǎng duìxiàng ma?

Are you dating anyone?

你们一起交往了多久呢？

Nǐmen yìqǐ jiāowǎng le duōjiǔ ne?

How long have you been hanging out together?

我们开始交往两年了。

Wǒmen kāishǐ jiāowǎng liǎng niánle.

We have been dating for two years.