an arm and a leg片语KK [æn ɑrm ənd ə lɛg] /æn ɑɹm ənd ə lɛɡ/发音片语1一大笔钱、天价、昂贵的代价口语Those concert tickets cost us an arm and a leg.那些演唱会的票花了我们一大笔钱。2高价、大价钱口语He paid an arm and a leg for that vintage guitar.他花了大价钱买下那把老吉他。用这个字练口说→