sent. & comp. abb. Don't leave well enough alone.; Just keep tampering. (A play on If it ain't broke, don't fix it.) : Does it work too well or something. You must say if it ain't broke, fix it till it is. Leave well enough alone.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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