watchdog

The sound of the heavy footsteps awoke the watchdog.

沉重的脚步声惊醒了看门狗。

The committee acts as an independent watchdog over government spending.

这个委员会作为独立监察机构监督政府开支。

Nancy Killefer was in line to become the government's chief performance officer -a watchdog post within the White House budget office.

南希·克勒夫是名成为政府总执行长官（在白宫预算办公室的看守职位）。