chicken hawk (n.)youdaoicibaDictYouDict[chicken hawk 词源字典]
type of hawk that is believed to prey on domestic fowl, 1802, American English. Figuratively, from the secondary senses of both words, "public person who advocates war but who declined significant opportunity to serve in uniform during wartime," at least 1988, American English. From chicken (n.) + hawk (n.).[chicken hawk etymology, chicken hawk origin, 英语词源]