1.A bird is known by its note, and a man by his talk.
听音识鸟，闻言识人。
2.The early bird catches the worm.
早起的鸟儿有虫吃。
3.Birds in their little nests agree.
同巢之鸟心儿齐。
4.Kill two birds with one stone.
一箭双雕；一举两得。
5.Each bird loves to hear himself sing.
鸟儿都爱听自己唱。（自我欣赏）
6.A bird in the hand is worth two in the bush.
双鸟在林不如一鸟在手。
7.Better be a bird in the wood than one in the cage.
宁为林中鸟，不作笼中鸟
8.Unable to fly ,in vain the bird flaps his wings.
鸟儿不会飞，拍翅也枉然