Ž. Kovačević - Frazeološki rečnik:
služiti na čast/diku kome * moći se podičiti čime - to do credit to someone * to do someone credit * to be feather in one’s cap


do someone proud
1. Also, do credit to someone. Be a source of honor, distinction, or pride. For example, She did us proud, handling the problem with such aplomb, or Your new title does you credit. [Early 1800s ]
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
http://www.dictionary.com/browse/do-someone-proud


"do credit to someone" in American English
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do credit to someone
(also do someone credit)
› to bring praise and respect to someone: The teacher’s fairness to all her students does her credit.
(Definition of do credit to someone from the Cambridge Academic Content Dictionary © Cambridge University Press)
http://dictionary.cambridge.org/dictionary/english/do-credit...


do credit to somebody
also do somebody credit
to bring praise and respect to someone for something they have done Her achievements do great credit to her parents. His patience and hard work do him credit.
See also: credit
Cambridge Dictionary of American Idioms Copyright © Cambridge University Press 2003. Reproduced with permission.
http://idioms.thefreedictionary.com/do credit to


"a feather in your cap" in British English
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a feather in your cap
› an achievement to be proud of: It's a real feather in our cap to be playing in the state championship.
(Definition of a feather in your cap from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
http://dictionary.cambridge.org/dictionary/english/a-feather...