watchdog

He charged his trusted advisor Yitzhak Molcho to act as a watchdog to prevent any progress.

According to the watchdog group, this systemic abuse has led to hundreds of political prisoners being detained across the country.

One watchdog group reported shortages of ballots, technical problems, and ballot stuffing.

The familiar notion of the press as a watchdog for government only arose much later.

Thankfully, a watchdog group of unskewers at the Science Media Centre examined the actual facts.

In reality, each boy is an unpaid pion, a watchdog whose vigilance never relaxes.

In his capacity as the Swifts' business manager, he had earned the nickname "watchdog of the treasury."

Curumilla lay down without saying a word, like a good watchdog, across the door of the lodge inhabited by Doa Clara.

The second-man was standing before the library door with folded arms and a watchdog expression on his cockney face.

He stabled Fox and Peanut, then went to the kitchen where Chappo, like a faithful old watchdog, was dozing beside the stove.