a person who investigates crimes synonym detective侦探 an amateur sleuth 业余侦探 Agatha Christie’s super sleuth, Hercule Poirot 阿加莎·克里斯蒂《超级侦探》,赫丘里·波罗
Word OriginMiddle English (originally in the sense ‘track’, in sleuth-hound): from Old Norse slóth. Current senses date from the late 19th cent.