What makes you say that? イディオム
What's your take on that?
This idiom is way of asking someone for their opinion and ideas.
how about that?
how about that? Isn't that surprising, remarkable, or pleasing. For example,
They're engaged—how about that? [Colloquial; first half of 1900s]
What makes you say that?
What has led you to that cessation or observation? Can be acclimated sarcastically to announce that someone's acknowledgment was actual obvious. A: "I don't accept this is activity to work." B: "What makes you say that? I've run the numbers assorted times." A: "I don't anticipate this burghal is actual safe." B: "Huh, what makes you say that? The boarded-up windows and vandalized shops?"Learn more: make, say, what