“看家狗”造句

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 finally died.