Correct

尽职

/ jìnzhí / 
Strokes

Definition

to discharge one's duties/conscientious

Example

As a Verb

carry out duties; do/fulfil one's duty; execute/perform one's duties; fill the post satisfactorily

1
Nǐ
你
rènwéi
认为
tāmen
他们
jìnzhí
尽职
le
了
ma
吗
  
?

Do you think they are doing their job?

2
Tā
他
gōngzuò
工作
yīxiàng
一向
jìnzhí
尽职
  
。

He has always been a conscientious worker.