how's that

How's that?

1. Please repeat what you said; I didn't understand or hear you. A: "Do you need anything from the shop?" B: "How's that? Sorry, the oven fan was too loud." A: "So as you can see, the third-quarter dividends represent a large margin of improvement over this time last year." B: "How's that? I didn't follow."
2. Why is that the case? A: "I think you may need to plan a different way of getting to the airport tomorrow." B: "How's that?" A: "The highway is going to be closed for construction all week."

How's this/that for (something)?

What do you think of this or that example of something? Isn't this/that exemplary of something? Can be used to highlight something negative or positive. A: "Now, how's this for a steak dinner?" B: "Wow, it looks delicious, I can't believe you cooked this all on your own!" Look at the neighbor's flashy new sports car—how's that for a midlife crisis?
See also: that, this

how's that

Also, how's that again. What did you say? Please repeat it. For example, How's that? I didn't quite hear you.
See also: that
References in classic literature ?
How's that strike your honourableness?--high-soundin', dignified as a earl or .
How's that for theatricality, ingenuity and artisitc innovation?
They live in California, which in 1996 passed a ballot initiative approving medical marijuana by a vote of 56 percent to 44 percent (how's that for a "democratic process"?).
Peyton List, who turns 18 the day this magazine turns 10 (how's that for kismet?), has been with GL from the start.
The CEO needs to step back and ask, "How's that going to change the output?
How's that for explaining why property values have softened, and new construction was virtually non-existent during that same period.
How's that for a description of contemporary culture?
But eventually, she adds, "I think going to Mars would be pretty neat." How's that for aiming high and reaching for the stars?