Please show me example sentences with know better than to do . Tell me as many daily expressions as possible.

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It is a phrase to indicate that someone should already be aware of the consequences of doing something. A common shortened version which omits the subtext is “You should know better (than to do that).”

Example:

A little boy, who has been told by his mother not to yell inside, screams while inside a restaurant. The mother scolds him:

“You know better than to yell inside!”

Example:

I notice the sky looks a little cloudy, but I leave my umbrella at home. Later in the day, I’m walking to the store and it starts to rain and I get soaked:

“I should have known better than to leave my umbrella at home!”