手交

handjob / manual stimulation

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]

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

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