let sleeping dogs lie
Say it: let SLEE-ping dogs lie /ˌlɛt ˌsliːpɪŋ ˈdɒɡz ˈlaɪ/ · idiom
What “let sleeping dogs lie” means
Leave an old problem alone so it doesn't cause trouble again.
More precisely: To avoid stirring up an old problem that could cause trouble again.
Example: “I could mention last year's argument, but I'll let sleeping dogs lie.”
When to use it
In everyday conversation, when advising someone to leave a settled disagreement or old problem alone.
Similar words
leave well alone, don't rock the boat
Quick check
You and your neighbour finally get along, so you decide not to reopen your old fence dispute. Which phrase describes that decision?
let sleeping dogs lie or bury your head in the sand?
Show the answer
let sleeping dogs lie
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