Officials used guard dogs to eject the protesters.

官员们用护卫犬驱走抗议者。

《柯林斯英汉双解大词典》

Mad guard dogs slavered at the end of their chains.

看门的疯狗在锁链的一头垂涎欲滴

《柯林斯英汉双解大词典》

Do they make good guard dogs?

拉拉会成为很好的警卫犬吗？

youdao

Mean dogs are often used to guard this property.

VOA: special.2010.05.30

Rumsfeld's role in approving the use of illegal interrogation techniques such as 'waterboarding' and the terrorizing of detainees with guard dogs is no longer in doubt.

CNN: Highlights from the world's press

They all placed two "guard dogs" to scare off the opposing strikers, but very few had the ability on the ball of Dunga and Mauro Silva.

BBC: Win unmasks Brazil

FWS, which has encouraged the use of guard dogs, temporary electric fences and non-lethal ammunition such as bean-bag rounds, is getting on better with the ranchers, though relations with the hunters are still frosty.

ECONOMIST: Endangered species