1 grave

2 serious

3 severe

4 critical

1 old practice

2 classifier: 个 gè

1 play

2 show

3 performance

4 exhibition

5 to perform

6 to act

7 to demonstrate

8 classifier: 场 chǎng

1 to repeat

2 repetition

3 again

4 re-

5 classifier: layer

1 again

2 once more

3 re-

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

2 a volte-face

3 to change old practices

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 meeting an old friend in a foreign place (idiom)

1 back to where we were (idiom); absolutely no improvement

2 Things haven't changed at all.