HSK V7-9
Correct

兼任

/ jiānrèn / 
Strokes

Definition

to hold several jobs at once/concurrent post/working part-time

Example

As a Verb

hold a concurrent post

1
Wǒmen
我们
xuéyuàn
学院
zǒngwù
总务
zhǔrèn
主任
jiānrèn
兼任
gōnghuì
工会
zhǔxí
主席
  
。

The chief of the General Affairs Section of our college serves concurrently as the chairman of the college's Labour Union.

2
Jiānrèn
兼任
liǎng
两
zhí
职

hold two posts; be in double harness; wear two hats

As an Adjective

part-time

3
Jiānrèn
兼任
jiàoshī
教师

part-time teacher; adjunct