If you were of an observant turn it might have struck you that he blinked much less often than most of us . 假如你善于观察，你也许会注意到：他眨眼睛的次数要比咱们大多数人少得多。
He took his tea quietly; though his tongue was still, his observant faculties seemed by no means off duty . 他在不声不响地喝茶；他虽然嘴巴不动，他的观察官能却似乎一刻也没有离开职守。
Almost every time an observant friend comes to call, he finds her house to be in perfect condition, nothing out of place . 当一位细心的朋友去走访她时，几乎每次都发现她家内务良好，秩序井然。
Journalists are trained to be observant 新闻记者都要训练成有敏锐观察力的人
Journalists are trained to be observant 新闻记者都要训练成有敏锐观察力的人
Children are very observant . observantly adv 孩子的观察力很敏锐。观察力敏锐地，副词。
You ' re best to be observant , attentive and a good listener 你最好先做一个专心的听众吧。
Emperor ： you are not very observant . that worries me 皇帝：你的嗅觉不够灵。我有些担心。
Tis treacle , said an observant matron . treacle it was “那是糖浆， ”一个目光敏锐的妇女说。
Oh , you ' re very observant . a regular david attenborough 你真是奉公守法一个老实的大卫?奥腾布罗
