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to lie through one's teeth
01
to tell something that involves no truth
What is the origin of the idiom "lie through one's teeth" and when to use it?
The idiom "lie through one's teeth" finds its origin in the literal act of lying with great audacity or boldness. The phrase emphasizes the extent to which someone is lying by focusing on the use of their teeth, which are typically associated with speaking and articulating words. It implies that the person is intentionally and shamelessly telling a blatant falsehood, often with a deliberate intention to deceive or mislead others. The idiom is commonly used to describe someone who is lying with full knowledge and without any remorse, emphasizing the level of dishonesty involved.
Example
He lied through his teeth when confronted about his whereabouts, claiming to have been at home when he was actually out partying.
Despite the evidence against him, the defendant lied through his teeth in court, denying any involvement in the crime.
The politician lied through her teeth during the debate, making false promises and distorting facts to gain public support.
The used car salesman lied through his teeth about the vehicle's condition, concealing its faults and defects to make a sale.
She lied through her teeth to her parents about her grades, fabricating a story of high academic achievement.
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