how so
idiomPart ofhow
how so — idiom
1. used to ask someone to explain or give reasons for a statement they have just ma
1.idiom
Definition
used to ask someone to explain or give reasons for a statement they have just made
Example
The professor declared, "This plan will never work." His confused assistant asked, "How so?"
Kwame said the movie was disappointing, and when I asked how so, he listed three weak scenes.