1. Kill two birds with one stone.

一箭双雕；一举两得。

2. A bird in the hand is worth two in the bush.

双鸟在林不如一鸟在手。

3. Birds of a feather flock together.

物以类聚，人以群分。

4. It’s an ill bird that fouls own nest.

家丑不可外扬。

5. Fine feathers make fine birds.

人要衣装，马要鞍。

6. A bird is known by its note, and a man by his talk.

听音识鸟，闻言识人。

7.Each bird loves to hear himself sing.

鸟儿都爱听自己唱。（自我欣赏）

8. You cannot catch old birds with chaff.(粗糠).

用粗糠捉不住老鸟。（有经验的人难骗。）

9.  Birds in their little nests agree.

同巢之鸟心儿齐。