1 worker

2 workshop

3 (slang) troublesome

4 high-maintenance (person)

1 work (of art)

2 opus

3 classifier: 部 bù

4 classifier: 篇 piān

1 school assignment

2 homework

3 work

4 task

5 operation

6 classifier: 个 gè

7 to operate

1 one's conduct

2 deed

3 activity

4 accomplishment

5 achievement

6 to act as

7 as (in the capacity of)

8 qua

9 to view as

10 to look upon (sth as)

11 to take sth to be

1 to act on

2 to affect

3 action

4 function

5 activity

6 impact

7 result

8 effect

9 purpose

10 intent

11 to play a role

12 corresponds to English -ity, -ism, -ization

13 classifier: 个 gè

1 a snap of the fingers (idiom); in a flash

2 in the twinkling of an eye

1 to know sth like the back of one's hand (idiom)

2 to know (a person, a place etc) inside out

1 to make one's hair stand up in anger (idiom); to raise people's hackles

1 to set an example (idiom); to serve as a model

1 pitch-dark (idiom)