1 grave

2 serious

3 severe

4 critical

1 to esteem

2 to respect

3 to honor

4 to value

5 eminent

6 serious

7 proper

1 to assemble

2 to combine

3 to compose

4 combination

5 association

6 set

7 compilation

8 (math.) combinatorial

1 to fit

2 to suit

1 to repeat

2 repetition

3 again

4 re-

5 classifier: layer

1 lit. to be together from the first beat (idiom)

2 to hit it off

3 to click together

4 to chime in easily

1 each word carries weight

2 a promise must be kept (idiom)

1 lit. three ignorant cobblers add up to a genius (idiom); fig. collective wisdom

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 harmonious combination of Chinese and Western elements (idiom)