相关单词同義詞tricky, wary, 近義詞 alert, astute, attentive, aware, careful, cognizant, eagle-eyed, heedful, mindful, perceptive, percipient, quick, regardful, sharp-eyed, shrewd, submissive, vigilant, watchful反義詞absent-mind, careless, day-dreaming, dreaming, heedless, inattentive, indifferent, lacking concentration, negligent, preoccupied, unobservant, vague, wandering臨近詞observation, observance, observantly, observant party, observant of the rules, observant of the speed limit., observant to avoid giving offense, Observant and willing to learn.相似詞obscurity, obsequies, obsequious, observance, observation, observation car, observation deck, observation lounge, 返回 observant