持
证
上
岗
c
h
í
z
h
è
n
g
s
h
à
n
g
g
ǎ
n
g
Definitions
1. work with a certificate
2. work with licenses
3. documented appointment
Components
持
chí
–
to hold
证
zhèng
–
certificate
上岗
shàng gǎng
–
to take up one's post