1 staff

2 personnel

3 employee

1 grave

2 serious

3 severe

4 critical

1 to work

2 (of a machine) to operate

3 job

4 work

5 task

6 classifier: 个 gè

7 classifier: 份 fèn

8 classifier: 项 xiàng

1 wages

2 pay

3 classifier: 个 gè

4 classifier: 份 fèn

5 classifier: 月 yuè

1 to repeat

2 repetition

3 again

4 re-

5 classifier: layer

1 each word carries weight

2 a promise must be kept (idiom)

1 lit. not knowing what's important (idiom); no appreciation of the gravity of things

2 naive

3 doesn't know who's who

4 no sense of priorities

1 to skimp on the job and stint on materials (idiom)

2 jerry-building

3 sloppy work

1 high merit and worthy prospects (idiom)

1 goose feather sent from afar, a slight present but weighty meaning (idiom); It's not the present the counts, it's the thought behind it.