That's a marvellous description, Mrs Drummond. You're very observant.您的描述令人惊叹, 德拉蒙德太太, 您真是独具慧眼。

An observant doctor can often detect depression from expression, posture, and movement.善于观察的医生常常能从人的表情、姿势以及动作诊察出抑郁症。

a profoundly observant Islamic country严守教规的伊斯兰国家

strictly observant Jews严格遵守教义的犹太人

Please be especially observant of the park rules.请特别注意严格遵守公园各项规定。

His mother had been Catholic and his father Jewish but he had not been religiously observant.他的母亲是天主教徒, 他的父亲是犹太教徒, 但他从未严格遵守过宗教教义。