to fail to be or to get either of two choices, both of which would have been acceptable

in two

一分为二；成两半

in or into two pieces or halves

He broke the bar of chocolate in two and gave me half.

他把巧克力掰成两半，给了我一块。

in twos and threes

三三两两；稀稀拉拉

two or three at a time; in small numbers

People arrived in twos and threes.

人们三三两两地到了。

it takes two to do sth

(saying) 双方都有责任；一个巴掌拍不响

one person cannot be completely responsible for sth

You can't put all the blame on him. It takes two to make a marriage.

你不能全责怪他，结婚是两个人的事。

not have two beans, brain cells, etc. to rub together

(informal) 不名一文（或没有脑子等）

to have no money; to be very stupid, etc.

put two and two together

根据所见所闻推断

to guess the truth from what you see, hear, etc.

He's inclined to put two and two together and make five (= reaches the wrong conclusion from what he sees, hears, etc.) .

他爱捕风捉影，听风就是雨。

that makes two of us

(informal) 我也一样；我也有同感

I am in the same position or I agree with you

‘I'm tired!’ ‘That makes two of us!’

“我累了！”“我也是一样！”

two sides of the same coin

同一事物的两个方面

used to talk about two ways of looking at the same situation

in two shakes

in a couple of shakes

(informal) 立刻；马上

very soon

Two Whatevers 两个凡是

Two Cops 特警冤家 ; 两个警察 ; 锄暴特警 ; 我的鬼神搭档

Two Soldiers 两个士兵 ; 两名士兵 ; 同胞兄弟 ; 幽默英语故事两名士兵

Two Lamps 两盏巨灯

Perfect Two 新天生一对 ; 咸菜贤才大贤永才

Two Tigers 两只老虎 ; 美丽的女暗杀者 ; 美丽的暗杀者 ; 双虎

Chaos Two 磕耳兔

two selenoid 升降机双螺管阀门

two way 双向的 ; 二音路 ; 二段式延迟阀

You give me one and I have two .

你能给我一个和我有两个。

Well, who the other two?

那么另外两个是谁?

Exit, exit, we go through. One by one or two by two.

出口出口，我们通过去。 一个一个走或两个两个过。