1 free (of charge)

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 inevitably

1 in order to avoid

2 so as not to

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

2 entirely outside the norm

3 out of character

1 to remove sth that could be used as a pretext (idiom)

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