watchful['wɔtʃful; 'wɔ:-]adj.1.■注意的,留心的;谨慎的2.■警惕的,戒备的3.■[古语]醒着的,不眠的近义词alertvigilantwide
watchfulwatchful[ˈwɔtʃful]adj.1.■注意的, 留心的; 戒备的, 警戒的(of, against)2.■[古]不眠的be watchful of the times注意时势be watchful against enemies谨防敌人watchful waiting待机, 观察, 警戒(as)watchful as a hawk严密地注视, 警惕地监视