watchful [ˈwɑ:tʃfl]

例句:

• Off-screen, Kathy is under the watchful eye of her father Terry.
  生活中的凯茜受到父亲特里的严格看管。
  
• To this end the young child is forever watchful.
  这个年纪不大的孩子为此始终保持警惕。
  
• He first learnt to fish under the watchful eye of his grandmother.
  在祖母的看护下，他第一次学起了钓鱼。
  
• A watchful readiness evident to the most unskilled eye.
  来自M. O. W. Oliphant
• Finally, be watchful for claims of all-too-consistent returns.
  来自WSJ
• Under the very watchful eyes of the international community.
  来自NEWYORKER