交

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

"lid" radical in Chinese characters (Kangxi radical 8)

father

to hand over to / to give to higher authority / to seek connections in high places

to be awfully (busy etc)

(long time) friend of the family

Shanghai Stock Exchange (SSE)

Shanghai Stock Exchange (SSE) Composite Index

exchange of unequal values

alternation of generations

lit. one hand exchanges the cash, the other the goods (idiom) / fig. to pay for what you want in cash / simple and direct transaction

to have met once / casual acquaintance

Shanghai Jiao Tong University