“看家狗”的英语？

你真是个伟大的看家狗, 萨姆.You're a great watchdog, Sam.“喷气机”还是个灭虫能手和出色的“看家狗”.Jet was also an efficient bug - zapper and a terrific watchdog.那条看家狗大病了三天,最后终于死了.The family dog was at death's door for three days and then fina...