看門狗,忠實的看守人
Watchdog \Watch"dog`\ (w[o^]ch"d[o^]g`), n. A dog kept to watch and guard premises or property, and to give notice of the approach of intruders.
watchdog n 1: a guardian or defender against theft or illegal practices or waste; "she is the global watchdog for human rights abuses" 2: a dog trained to guard property [syn: {guard dog}]