出任

chū rèn zhòng yào zhí wù

出任重要职务

hold/maintain a key position

tā chū rèn dà shǐ

他出任大使。

He was made ambassador.

tā chū rèn xié huì zhǔ xí

他出任协会主席。

He has taken up the post of the society's president.

chū rèn zhù wài shǐ zhě

出任驻外使者

take up the mission as an envoy abroad

chū rèn xiàn zhǎng

出任县长

take up the post of county magistrate