1 to react

2 to respond

3 reaction

4 response

5 reply

6 chemical reaction

7 classifier: 个 gè

1 anyway

2 in any case

3 to come over from the enemy's side

1 to congregate

2 to assemble

3 to mass

4 to gather together

5 to amass

6 to polymerize

1 party

2 gathering

3 to meet

4 to get together

1 to condense

2 to coagulate

3 coacervation (i.e. form tiny droplets)

4 aggregation

5 coherent

1 complete change from the normal state (idiom); quite uncharacteristic

2 entirely outside the norm

3 out of character

1 destiny will make enemies meet (idiom)

2 (often said about lovers who have a disagreement)

1 old: to reap the consequences of one's words (idiom, from Mencius); modern: to go back on one's word

2 to blow hot and cold

3 to contradict oneself

4 inconsistent

1 to answer back sarcastically (idiom)

2 to retort

1 lit. the guest acts as host (idiom); fig. to turn from passive to active behavior