an arm and a leg的音标：an arm and a leg的英式发音音标为：[æn ɑ:m ænd ə leɡ]an arm and a leg的美式发音音标为：[ən ɑrm ənd e lɛɡ]...

That new car must have cost him an arm and a leg.那辆新车一定让他花费了一大笔钱.This ring cost me an arm and a leg.这个戒指花了我一半家当.This calf jacket costs an arm and a leg.这件小牛皮夹克花了我一大笔钱....

大价钱，巨额花费...