birds of a feather

基本解释

Tracking the frequency of six genes linked to personality traits revealed two clear examples of ‘birds of a feather flock together’ and ‘opposites attract’.
经研究后发现，有六组基因与人的性格人格的形成密切相关，这清楚的阐释了为何会有“人以群分”和“异性相吸”的缘故。
Birds of a feather. Get involved in activities you enjoy outside school, whether those are sports, art classes, dancing classes, or whatever triggers your interest.
参加你喜欢的校外的活动，不管他们是体育项目、艺术班、舞蹈班或者其他任何能激起你兴趣的东西。
This year I was very happy to join the DrupalChix–a loosely organized group of women in the Drupal community–for their Birds of a Feather during lunch on the first day.
今年，我很高兴加入DrupalChix——这是Drupal社区中一个组织松散的妇女团体——在第一天的午餐期间，就和她们成为一丘之貉。

Have you ever observed that birds of a feather flock together?
You've probably heard the phrase "Birds of a feather flock together" and that's true when it comes to romance.
你们可能听过一个成语,物以类聚，人以群分“,恋爱还真是这样。
耶鲁公开课 - 心理学导论课程节选
Birds of a feather may flock together but opposites don't really attract each other.
人以群分,反差太大，不容易吸引对方。
耶鲁公开课 - 心理学导论课程节选

Birds of a feather do more than flock together: they cruise for action together, too.
ECONOMIST: Team players