1 to substitute

2 to act on behalf of others

3 to replace

4 generation

5 dynasty

6 age

7 period

8 (historical) era

9 (geological) eon

1 price

2 cost

3 consideration (in share dealing)

1 representative

2 delegate

3 classifier: 位 wèi

4 classifier: 个 gè

5 classifier: 名 míng

6 to represent

7 to stand for

8 on behalf of

9 in the name of

1 ancient times

2 olden times

1 a decade of a century (e.g. the Sixties)

2 age

3 era

4 period

5 classifier: 个 gè

1 complete change from the old rut (idiom); dramatic change of direction

2 a volte-face

3 to change old practices

1 lit. one morning and one evening (idiom)

2 fig. in a short period of time

3 overnight

1 once bitten by a snake, ten years in fear of a well rope

2 once bitten, twice shy (idiom)

1 passed on from generation to generation (idiom); to hand down

1 human life as the morning dew (idiom); fig. ephemeral and precarious nature of human existence