cad
noun /kæd/
/kæd/
(old-fashioned)- a man who behaves in a dishonest or unfair way
卑鄙的人；粗鄙的人；无赖 - He’s no gentleman; he’s a cad!
他可不是正经人，他是个无赖。
词源late 18th cent. (denoting a passenger picked up by the driver of a horse-drawn coach for personal profit): abbreviation of caddie or cadet. - He’s no gentleman; he’s a cad!