[leave|let] well alone
1
to not try to interfere or make changes in a situation or with something that is already functioning satisfactorily to avoid causing unnecessary problems
The idiom "leave well alone" has its origins in the English language, and its usage dates back several centuries. It is used to convey the idea that it is often best to refrain from interfering or making changes to something that is already functioning satisfactorily.
- To be honest, you're better off letting well alone at this point.She's so angry that anything you say will just make things worse.
- The garden is thriving as it is; it's best to leave well alone and not overwater the plants.
- The old computer is slow but still working; it's probably best to let well alone until we absolutely need to replace it.
- The company's policies have been effective for years, so it's wise to let well alone and not introduce unnecessary changes.
- She had a unique decorating style that everyone loved, so they decided to leave well alone and not redecorate the room.