这条看门狗不好斗，因此正在养狗场受训。The guard dog was now in kennels as it was not aggressive.沉重的脚步声惊醒了看门狗.The sound of the heavy footsteps awoke the watchdog.拴在链子上的看门狗狂躁地流着口水。Mad guard dogs slavered at the end of their chains....

“看门狗”的英语可以翻译为：watchdog，big dog，house dog ...