vigilant的读法

1. carefully observant or attentive; on the lookout for possible danger;

   "a policy of open-eyed awareness"
   "the vigilant eye of the town watch"
   "there was a watchful dignity in the room"
   "a watchful parent with a toddler in tow"
   

1.警惕的;警觉的；警戒的
Someone who isvigilant gives careful attention to a particular problem or situation and concentrates on noticing any danger or trouble that there might be.

e.g. He warned the public to bevigilant and report anything suspicious...
他警告公众要提高警惕，遇到任何可疑情况都要报告。
e.g. All but one of these letter bombs had been intercepted byvigilant post office staff.
除了一封漏网之外，警惕的邮局员工截获了其余所有的邮件。

• He had been a vigilant and faithful watchdog of the state's interest.

  出自：S. Naipaul