1 each other

2 mutually

3 mutual

1 to hand over

2 to deliver

3 to pay (money)

4 to turn over

5 to make friends

6 to intersect (lines)

7 variant: 跤 jiāo

1 to make friends

1 to exchange

2 exchange

3 communication

4 interaction

5 to have social contact (with sb)

1 to be connected

2 traffic

3 transportation

4 communications

5 liaison

1 lit. one hand exchanges the cash, the other the goods (idiom)

2 fig. to pay for what you want in cash

3 simple and direct transaction

1 traceable to the same stock (idiom); of a common origin (of trends, ideas etc)

1 don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

1 lit. don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

2 no discord, no concord

1 passed on from generation to generation (idiom); to hand down