I don't want to be the third wheel.

I don't want to be the third wheel.
I don't want to be the third wheel.

I don't want to be the third wheel.
我不想当电灯泡.
You two go ahead to the movie without me,i don't want to be a third wheel.你们两个自己去看电影吧,我不想当电灯泡.

我不想当第3者或电灯泡.