argus-eyed
英 [ˈɑːgəs aɪd]
美 [ˈɑrgəs aɪd]
adj.  机警的;眼光锐利的
英英释义
adj
- carefully observant or attentive
- 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
 
 - having very keen vision
- quick-sighted as a cat
 
 
