watchdog [ˈwɑ:tʃdɔ:g]

例句:

• The change was suggested by the Electoral Commission watchdog.
  来自BBC
• The watchdog has hailed moves towards decriminalising media offences.
  来自BBC
• The new rules have been embraced by government watchdog organizations.
  政府监察机构已经欣然接受了这些新规则。
  
• Yet a statement from the watchdog is surely merited.
  来自THETIMES
• 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.