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 raise

2 to increase

3 to improve

1 tallest

2 highest

3 supreme (court etc)

1 surname Gao

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

2 entirely outside the norm

3 out of character

1 lit. to fight it out with sb to see who is best (idiom)

2 fig. to cross swords with

3 to lock horns

1 can't recognize tall or short (idiom); doesn't know what's what

1 to feel unconcerned and let matters rest (idiom)

1 man seeks his way up just as water seeks its way down (idiom)

2 one should constantly strive to make progress