lie through one's teeth

idiom

: to say something completely untrue
She was obviously lying through her teeth.

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lie through one's teeth

lie to

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“Lie through one's teeth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lie%20through%20one%27s%20teeth. Accessed 23 Mar. 2023.

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