1.
N-COUNT
A bird is a creature with feathers and wings. Female birds lay eggs. Most birds can fly. 鸟
2.
→
see also
early bird
3.
PHRASE
If you refer to two people as birds of a feather, you mean that they have the same interests or are very similar. 志趣相同的人
例：
We're birds of a feather, you and me, Mr. Plimpton.
我们志趣相投，我和你，普林顿先生。
4.
PHRASE
A bird in the hand is something that you already have and do not want to risk losing by trying to get something else. 已到手的东西
例：
Another temporary discount may not be what you want, but at least it is a bird in the hand.
再一次临时打折可能达不到你所希望的，但至少这是已经到手的东西。
5.
PHRASE
If you say that a little bird told you about something, you mean that someone has told you about it, but you do not want to say who it was. 消息灵通的人
例：
Incidentally, a little bird tells me that your birthday's coming up.
顺便提一句，有个消息灵通的人告诉我你的生日快到了。
6.
PHRASE
If you say that doing something will kill two birds with one stone, you mean that it will enable you to achieve two things that you want to achieve, rather than just one. 一箭双雕
例：
We can talk about Union Hill while I get this business over with. Kill two birds with one stone, so to speak.
我们可以谈谈尤宁山，同时我把这件事干完。可以说是一举两得吧。