do credit to
do credit to (one)
To earn one accolades and admiration. Your delightful children certainly do credit to you, Tina!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do credit to someoneand do someone credit
to add positively to the reputation of someone. Your new job really does credit to you. Yes, it really does you credit.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.