I didn't get that

I didn't get that

Please repeat what you said; I didn't or couldn't hear you. A: "Do you need anything from the shop?" B: "Sorry, I didn't get that—the oven fan was too loud. What did you say?"
See also: get, that
Farlex Dictionary of Idioms.

I didn't (quite) catch that (last) remark. and I didn't get that.; I didn't hear you.

I didn't hear what you said, so would you please repeat it. John: What did you say? I didn't quite catch that last remark. Jane: I said it's really a hot day. Bill: Have a nice time, if you can. Sally: I didn't get that. Bill: Have a nice time! Enjoy!
See also: and, catch, get, hear, that
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • didnt
  • I didn't (quite) catch that
  • I didn't catch that remark. and I didn't get that.; I didn't hear you
  • I didn't (quite) catch that (last) remark
  • no offense taken
  • I didn't catch the name, and I didn't catch your name
  • I didn't catch your name
  • run on (something)
  • didn't exchange more than three words with
  • didn't exchange more than three words with (one)