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 associate (with)

2 to have contact (with)

3 to hang out (with)

4 to date

5 (interpersonal) relationship

6 association

7 contact

1 (business) transaction

2 business deal

3 classifier: 笔 bǐ

1 to exchange

2 exchange

3 communication

4 interaction

5 to have social contact (with sb)

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 smell of mother's milk not yet dried (idiom); immature and inexperienced

2 still wet behind the ears

1 voices unanimous in praise (idiom); with an extensive public reputation

1 to talk intimately while being comparative strangers (idiom)

1 friendship between gentlemen, insipid as water (idiom, from Zhuangzi 莊子|庄子[Zhuāng zǐ])