
Let sleeping dogs lie
Potential Trouble
Use when acknowledging that action might create conflict or problems.
They stopped arguing, so let's let sleeping dogs lie.
No Benefit
Suggests that taking action is pointless and best avoided.
He didn't remember the mistake, so I let sleeping dogs lie.
Subtle Warning
Implies a warning to be cautious not to awaken hidden issues.
She's calm now, but push further and you won't be letting sleeping dogs lie.