know full well
成語所屬單字know
know full well — 慣用語
1. To be very aware of a fact and unable to deny it.
1.慣用語
釋義
心知肚明
To be very aware of a fact and unable to deny it.
例句
He knew full well that lying would get him in trouble.
She knew full well the test was today, yet she didn't study.