[let well enough alone] or [leave well enough alone] {v. phr.}
To be satisfied with what is good enough; not try to improve something because often that might cause more trouble.
* /John wanted to make his kite go higher, but his father told him to let well enough alone because it was too windy./* /Ed polished up his car until his friends warned him to leave well enough alone./* /Ethel made a lot of changes in her test paper after she finished. She should have let well enough alone, because she made several new mistakes./
Compare: LET RIDE.
Dictionaries
Extra
