lie through your teeth

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

mentire spudoratamente, mentire sfacciatamente

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.
Stava mentendo spudoratamente quando ha detto di non sapere nulla del denaro scomparso.
You don't have to lie through your teeth to impress me.
Non devi mentire spudoratamente per impressionarmi.