Birds of a feather flock together. 物以类聚,人以群分 。 Its an ill bird that fouls own nest. 家丑不可外扬。 Fine feathers make fine birds. 人要衣装,马要鞍 。 Each bird loves to hear himself sing. 鸟儿都爱听自己唱。 (自我欣赏) Birds in their little nests agree. 同巢之鸟心儿齐。Man is a wolf to man. 人对人是狼。(人心狠,人吃人 ) A growing youth has a wolf in his belly. 年轻人吃起饭来像饿狼。 Dont trust a goat with the kitchen-garden ,or a wolf with sheepfold. 不能请羊管菜园,不能请狼管 羊圈。 Who keeps company with wolves, will learn to howl. 和狼在一起,就会学狼叫。The mouse that has but one