You know better than anyone that it was a corrupt institution.
Even police officers who should know better can get caught up in the myth that women lie about consensual sex.
The candidates can promise all they want, but Americans should know better by now.
We Westerners reflexively trust elections, and we do not hesitate to recommend them to others who know better.
The most irresponsible comments however would have to be those of Donald Trump, since he should know better.
"Now, you know better than that, Harran," remonstrated S. Behrman blandly.
I am myself, although, as a student of philology, I ought to know better.
It was strong enough to show her on what points other people were likely to know better than she did.
They daren't take her back to any of their own places; they know better.
Upon this the eldest son said, “I will watch the tree to-night, and will teach the rogue to know better!”