他是一名外交人员。

Tā shì yì míng wàijiāo rényuán.

He is a diplomat.

她负责处理外交事务。

Tā fùzé chǔlǐ wàijiāo shìwù.

She is responsible for handling diplomatic affairs.

这次会议旨在促进两国之间的外交合作。

Zhè cì huìyì zhǐ zài cùjìn liǎngguó zhījiān de wàijiāo hézuò.

The purpose of this meeting is to promote diplomatic cooperation between the two countries.