zé rèn rén
responsible person
coordinator
rèn rén
to appoint (sb to a post)
rèn rén wéi qīn
to appoint people by favoritism (idiom); nepotism
corrupt appointment
rèn rén wéi xián
to appoint people according to their merits (idiom); appointment on the basis of ability and integrity
rèn rén zǎi gē
to get trampled on (idiom)
to be taken advantage of