argus-eyed

形容词 argus-eyed:

1. having very keen vision
   同义词：hawk-eyed, keen-sighted, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted
2. carefully observant or attentive; on the lookout for possible danger
   同义词：open-eyed, vigilant, wakeful, watchful

Ar.gus-eyed

adj.（形容词）
Extremely observant; vigilant.
非常机警的；警戒的