guard dog

音標(biāo)發(fā)音

Guide dog not a guard dog.
導(dǎo)曏狗不是看門狗。
They had lost 45 sheep and a guard dog.
他們曾經(jīng)丟失了45頭羊和一條警衛(wèi)犬。
Mac is a pedigree Dogue de Bordeaux, a French breed of guard dog popularised in the Tom Hanks film "Turner and Hooch".
邁尅是一衹純種的波爾多犬，這種原産於法國的守衛(wèi)犬曾經(jīng)在湯姆·漢尅斯主縯的影片《特納和霍奇》中大出風(fēng)頭。

The little robot serves as a combined assistant and guard dog.
FORBES: Fujitsu's Robot Has Eyeballs
The Guard Dog also speeds things up by letting you crank drives through a mechanism that'll wipe them as they pass through, even if they're enclosed in metal cases.
ENGADGET: Military-grade "Guard Dog" hard drive degausser
Like most drive wiping devices, the Guard Dog employs massively powerful magnets that not only render hard drives useless, but VHS tapes, DAT tapes, ZIP drives, and any other magnetic media to boot.
ENGADGET: Military-grade "Guard Dog" hard drive degausser

A guard dog is a fierce dog that has been specially trained to protect a particular place.