同窗

tā men tóng chuāng sān zǎi

他们同窗三载。

They are study in the same school for three years.

wǒ men tóng chuāng duō nián

我们同窗多年。

We have been schoolmates for many years.

wǒ men céng jīng tóng chuāng guò

我们曾经同窗过。

We were schoolmates.

tā men shì tóng chuāng dǎo shī shì tóng yī gè rén

他们是同窗，导师是同一个人。

They are study in the same school, and the mentor is the same person.

tā de tóng chuāng bìng le

她的同窗病了。

Her classmate was ill.

zhè shì wǒ de tóng chuāng

这是我的同窗。

This is my classmate.