leave good (enough) alone(redirected from left good alone)
leave good (enough) alone
To refrain from changing, disturbing, or becoming involved in something, especially to avoid unintentionally causing (or worsening) problems. A less common variant of "leave well (enough) alone." To be honest, you're better off leaving good enough alone at this point. She's so angry that anything you say will just make things worse. Messing with the registry can cause catastrophic problems for your computer. Unless it's your very last resort, I would just leave good alone.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.