獨木不成林 [ㄉㄨˊ ㄇㄨˋ ㄅㄨˋ ㄔㄥˊ ㄌㄧㄣˊ; du2 mu4 bu4 cheng2 lin2] a lone tree does not make a forest (idiom) one cannot accomplish much on one's own ◄ ►