lie through your teeth

US /laɪ θruː jʊər tiːθ/
UK /laɪ θruː jʊər tiːθ/
"lie through your teeth" picture
1.

kłamać w żywe oczy, bezczelnie kłamać

to tell someone something that you know is not true, often in a blatant or unashamed way

:
He was lying through his teeth when he said he didn't know anything about the missing money.
Kłamał w żywe oczy, kiedy mówił, że nic nie wie o zaginionych pieniądzach.
You don't have to lie through your teeth to impress me.
Nie musisz kłamać w żywe oczy, żeby mi zaimponować.