What's all that about?

What is the meaning or purpose of the topic being discussed? A: "Jeff is still really mad at Jen." B: "Yeah, what's all that about? I thought they were best friends." Cross-country skiing perplexes me. I can understand the appeal of regular skiing, but skiing uphill? What's all that about?

what’s all ˈthis/ˈthat (...)?

why is this/that happening?: What’s all this I hear about you wanting to leave?

词组	What's all that about?
释义	What's all that about? What's all that about? What is the meaning or purpose of the topic being discussed? A: "Jeff is still really mad at Jen." B: "Yeah, what's all that about? I thought they were best friends." Cross-country skiing perplexes me. I can understand the appeal of regular skiing, but skiing uphill? What's all that about? See also: all, that Farlex Dictionary of Idioms. what’s all ˈthis/ˈthat (...)? why is this/that happening?: What’s all this I hear about you wanting to leave? See also: all, this Farlex Partner Idioms Dictionary See also: what's all this/that? dorm not believe (one's) ears not believe eyes I believe we've met stay on top of stay on top of (someone or something) skin the bear at once keep on top of (someone or something) change the subject
随便看	be running around in circles be running around like a headless chicken be running on empty be running on fumes be run off (one's) feet be run off your feet be run ragged be/run short of something be rushed off (one's) feet be sacrificed on the altar of (something) be sacrificed on the altar of something be sailing under false colors be sailing under false colours be sb's lookout be scared/bored witless be scared of (one's) (own) shadow be scared shitless be scared witless be scattered to the four winds be scraping the barrel be scratching (one's) head be scratching your head be second nature be second only to somebody/something be second only to (someone or something)