A home bird

Somebody who prefers to spend his social and free time at home

恋家的人，喜欢呆在家里的人

I'm a home bird. I'm not one for a big social whirl.

我喜欢呆在家里，不喜欢忙于社交应酬。

Swan song

A final appearance

最后的作品，告别演出

This weekend's game was his swan song as the team's captain.

这个周末的比赛是他担任队长的最后一场比赛。

Bird’s eye view

A view from above; a broad perspective on something

俯视，鸟瞰

Climb to the top of the Eiffel Tower if you want a bird's eye view of Paris.

如果你想俯瞰巴黎，就爬到艾菲尔铁塔顶上去。

Kill two birds with one stone

Act in such a way as to produce two desirable effects

一石二鸟，一举两得

I killed two birds with one stone and picked the kids up on the way to the supermarket.

我在去超市的路上顺便接了孩子，一举两得。

Fox in the henhouse

Someone who causes trouble

鸡舍里的狐狸，指制造麻烦的人

I'd watch out for him if I were you—he walks around here like a fox in the henhouse.

如果我是你，我会小心提防他——他像鸡舍里的狐狸一样在这里走来走去，准没好事。

A little bird told me

I don’t wish to divulge where I got the information

无可奉告，用于表示说话者不愿透露向其提供消息者为何人

“How did you know he was leaving?” “Oh, let’s just say a little bird told me.”

“你怎么知道他要走了？”“噢，反正我知道。”

Flew the coop

Left, escaped

逃跑了，越狱了

His partner flew the coop with all the money.

他的合伙人卷款逃走了。

Eagle-eyed

Having sharp vision

有眼力的；目光锐利的

Three marijuana plants were found by eagle-eyed police officers.

目光锐利的警官们发现了三株大麻。

Sick as a parrot

Very disappointed

非常失望，非常扫兴

He was sick as a parrot when his team lost the match.

他的球队输掉比赛后，他非常失望。

To have butterflies in your stomach

To be nervous

（通常指对将要做的事）感到非常紧张，觉得很心慌

I had terrible butterflies in my stomach before I gave that talk in Venice.

我那次在威尼斯讲话前感到异常紧张。