1 he or him

2 (used for either sex when the sex is unknown or unimportant)

3 (used before sb's name for emphasis)

4 (used as a meaningless mock object)

5 other

6 another

1 they

1 top quality

2 front ranking

1 main stream (of a river)

2 fig. the essential point

3 main viewpoint of a matter

4 mainstream (culture etc)

1 to exchange

2 exchange

3 communication

4 interaction

5 to have social contact (with sb)

1 lit. to drop a thousand zhang in one fall (idiom)

2 fig. (of business, popularity etc) to suffer a sudden, devastating decline

3 to take a dive

1 (idiom) everything broken and in disorder

1 lit. not to shed a tear until one sees the coffin (idiom)

2 fig. refuse to be convinced until one is faced with grim reality

1 lit. to be struck by an arrow and fall from one's horse

2 to suffer a serious setback (idiom)

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

2 one should constantly strive to make progress