To practice extreme deception; to defraud extensively; to engage in grave trickery and deceit.
他为了掩盖自己的错误，竟然欺天诳地，编造了许多假证据。
To cover up his mistakes, he actually practiced extreme deception, fabricating a lot of false evidence.
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To practice extreme deception; to defraud extensively; to engage in grave trickery and deceit.