他是一名大学校长。

Tā shì yì míng dàxué xiàozhǎng.

He is a university principal.

校长在跟同学们讨论问题。

Xiàozhǎng zài gēn tóngxuémen tǎolùn wèntí.

The principal is discussing the issue with the students.

校长跟老师在开会。

Xiàozhǎng gēn lǎoshī zài kāihuì.

The principal is meeting with the teacher.