condescend to do
condescend to (do something)
To do something that one feels is unworthy or demeaning. Now that Jim thinks he's a big movie star, I doubt he'll condescend to talk to us common folk.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
condescend to do something
to agree to do something that is humbling or belittling. I will not condescend to respond to that remark. "Will you condescend to join us for dinner?" teased Bob.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.