Verb
leave well enough alone (third-person singular simple present leaves well enough alone, present participle leaving well enough alone, simple past and past participle left well enough alone)
To leave something alone; to avoid trying to correct, fix, or improve what is already adequate.
We should have left well enough alone when we had it working the first time.
Synonym: leave well alone
Its all about finding the right note at the right place and knowing when to leave well enough alone. And that's a lifelong quest. David Sanborn
Inertia iseasy-don't fix what's not broken. Leave well enough alone. So we end up accepting whatbroken, mistaking complaining for action, procrastinating for deliberation. Justina Chen
Not content to leave well enough alone, the D780 pushes that to 2,260 exposures (although, not having a built-in flash gives it an edge in official CIPA battery testing). Source: Internet
I've been swimming while gar spawn in my neck of the woods and they leave well enough alone. Source: Internet