掉头

掉头	diào tóu	to turn one's head / to turn round / to turn about
掉	diào	to fall / to drop / to lag behind / to lose / to go missing / to reduce / fall (in prices) / to lose (value, weight etc) / to wag / to swing / to turn / to change / to exchange / to swap / to show off / to shed (hair) / (used after certain verbs to express completion, fulfillment, removal etc)
头	tóu	head / hair style / the top / end / beginning or end / a stub / remnant / chief / boss / side / aspect / first / leading / classifier for pigs or livestock / CL:个
头	tou	suffix for nouns