serpent/ˈsɜ:pənt; `səpənt/ n(dated 旧) 1 snake, esp a large one 蛇（尤指大的）.2 person who tempts others to do wrong; sly person 诱人犯错的人; 狡猾的人 the old Serpent, ie the Devil 魔王（魔鬼）.
牛津英汉双解词典