Describes a person whose character is so vile and morally corrupt that they are considered utterly contemptible, to the extent that even dogs and pigs would refuse to eat their flesh.
那个商人为了谋取不义之财，不惜欺骗年迈的老人，其行为真是狗彘不食。
That businessman, in pursuit of ill-gotten gains, did not hesitate to deceive elderly people; his actions are truly so vile that even dogs and pigs would not eat his flesh.
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