sour on

sour on idiom
Become disenchanted with, take a dislike to, as in At first they liked the new supervisor, but now they've soured on her. [c. 1860]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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