Popularly, one refers cynically to "human nature" in accepting the inevitability of such undesirable human behavior as greed, murder, cheating and lying.

通常，人们在承认诸如贪婪、谋杀、作弊和说谎等人的不良行为的不可避免性时，会冷嘲热讽地提到“人性”。

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Cheating and lying can be a bad combination.

欺骗和撒谎可不是一对好搭档！

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He's shameless about his cheating and lying.

他欺骗、说谎，却不以为耻。

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When you succeed through cheating and lying, people might not find out right away, but they find out eventually.

FORBES: What Do We Tell The Kids About Lance Armstrong?

Last year, Mitchell agreed to wade into baseball's drug troubles in an effort to bring clarity to a murky world of cheating, lying and tarnished reputations.

NPR: Doping Report a Key Test of Mitchell's Fixer Skills

And you can turn on the television anytime and find some show, fictional or not, where someone gets what they want through lying and cheating, and is rewarded handsomely for doing so.

FORBES: What Do We Tell The Kids About Lance Armstrong?