Let sleeping dogs lie
Meaning: said to warn someone that they should not talk about a bad situation that most people have forgotten about.
Example: Jill: Should I ask the boss if he's upset at my coming in late in the mornings? Jane: If he hasn't said anything about it, just let sleeping dogs lie.
Example: Jill: Should I ask the boss if he's upset at my coming in late in the mornings? Jane: If he hasn't said anything about it, just let sleeping dogs lie.
