if it ain't broke, don't fix it
If it ain't broke, don't fix it definition
- sent. & comp. abb.
Leave well enough alone.; Don't tamper with something that is all right as it is. : It's fine. Leave it alone. If it ain't broke, don't fix it!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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