birds

birds of a feather flock together发音：英 [bɜːdz ɒv ə ˈfeðə(r) flɒk təˈɡeðə(r)]

birds of a feather flock together是一句谚语，意思是：物以类聚人以群分;

例句：

Don't be friends with bad boys. People think that birds of a feather flock together.

翻译为：不要和坏孩子交朋友，人们认为物以类聚，人以群分。

Birds of a feather flock together, and therefore they are such good friends."

翻译为：物以类聚，所以他们能成为好朋友。

例句中的birds of a feather flock together的意思都是物以类聚人以群分。