To be attracted to or pursue something base, corrupt, or morally repugnant, much like flies are drawn to foul odors; to fawn upon the powerful or pursue illicit gains/pleasures.
那些一心只为私利的人，总是如蝇逐臭般地围着有钱有势的人转。
Those who are solely after personal gain always flock around the wealthy and powerful like flies after a stench.
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