in for a penny, in for a pound
idiomPart ofpenny
in for a penny, in for a pound — idiom
1. Once you have started something, you should complete it even if it costs more ti
1.idiom
Definition
Once you have started something, you should complete it even if it costs more time or money.
Example
I already bought the paint, so in for a penny, in for a pound, I'll paint the whole house.
We've invested so much in this project; in for a penny, in for a pound, let's finish it.