1 mission

2 assignment

3 task

4 duty

5 role

6 classifier: 项 xiàng

7 classifier: 个 gè

1 to serve

2 service

3 classifier: 项 xiàng

1 business

2 professional work

3 service

4 classifier: 项 xiàng

1 emptiness

2 void

3 abstract theory or guiding principles

4 empty or unoccupied

5 diffident or timid

6 false

7 humble or modest

8 (of health) weak

9 virtual

10 in vain

1 false

2 hypocritical

3 artificial

4 sham

1 to show no understanding of the times (idiom); cannot adapt to current circumstances

2 not amenable to reason

1 to enter by exploiting a weak spot (idiom); to take advantage of a lapse

1 to let correct ideology guide practical work (idiom)

1 to feel guilty as a thief (idiom); to have sth on one's conscience

1 hardwork and thriftiness are the foundations of service (idiom)