集腋成裘 [ㄐㄧˊ ㄧㄝˋ ㄔㄥˊ ㄑㄧㄡˊ; ji2 ye4 cheng2 qiu2] many hairs make a fur coat (idiom); many small contributions add up to sth big many a mickle makes a muckle ◄ ►