The idiom "let
sleeping dogs lie" generally means that someone should leave things as they are, especially,
to avoid restarting or rekindling an old
argument. It typically means to leave
disagreements in the past - since it would result in trouble or
complications.
For Example:
“Eventually,
they decided it would be best to let
sleeping dogs lie and not
discuss the matter any further.”
This is the Idiom #70 in the List of 100 commonly used Idioms in everyday English (Top 100 famous Idioms). By introducing this list of notable idioms to English learners and ESL students as you, we believe that your English will sound more like a native and you can easily understand what native speakers are saying. Please like and share this list with your friends if you think it is helpful - the full list is here.