shark-gullWiktionary 原文构词拆分shark词根/词干“to swindle; to trick”+gull词根/词干“dupe; mark; sucker”词源说明From shark (“to swindle; to trick”) + gull (“dupe; mark; sucker”).释义（英文）名词 Noun(obsolete) A confidence trickster; a person who preys on simpletons.