I'm terrible at names
I'm terrible with/at names
I have a very hard time remembering people's names. A: "No, I'm Matt." B: "I'm so sorry, I'm terrible with names."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
I'm terrible at names.and I'm awful at names.
I can't seem to remember anyone's name. (Said as an apology to someone whose name you have forgotten.) I'm terrible at names. Please tell me yours again. Haven't we met already? I'm awful at names.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.