Definition
To deliberately and brazenly tell a lie, knowing it is completely untrue.
睛眼說大話
He knew he was wrong, but he lied through his teeth anyway, which was truly disappointing.
他知道自己錯了，但還是厚顏無恥地撒謊，這真的很令人失望。
She told her boss she was sick and couldn't come to work, but she was actually on vacation, she was really lying through her teeth.
她告訴老闆她生病了不能來上班，但實際上她在度假，她真的是在厚顏無恥地撒謊。
He told me he had never met her, but when I showed him the picture, he was definitely lying through his teeth.
他告訴我他從未見過她，但當我給他看照片時，他絕對是在厚顏無恥地撒謊。