not alert to danger or deception; "the shrieks of unwary animals taken by surprise"; "some thieves prey especially on unwary travelers"; "seduce the unwary reader into easy acquiescence"- O.J.Campbell危険または策略に警戒していない無用心
例:The shrieks of unwary animals taken by surprise. 驚きによって発される不注意な動物の悲鳴。