idiom
Two’s company, three’s a crowd
有时候两个人刚刚好,但第三个人会让事情变得尴尬。
Meaning
Sometimes, two people are just right, but a third person can make things uncomfortable.
Example
I wanted some alone time with Emily, but as they say, **two’s company, three’s a crowd**.
我想和艾米莉单独相处,但正如人们所说,**两个人是伴,三个人就多了。**