警犬

wǒ dài jǐng quǎn yī chū xiàn dǎ jià de rén jiù tíng shǒu le

我带警犬一出现，打架的人就停手了。

As soon as I showed up with the police dog, the fighter stopped.

jǐng quǎn xùn liàn yún

警犬训练员

police-dog trainer

yī tiáo jǐng quǎn

一条警犬

a police dog

tā wèi jǐng quǎn gōng zuò wèi jǐng chá gōng zuò

她为警犬工作，为警察工作。

She worked for the police as a dog handler.