“观察哨”常见的英文表达是 observation post 。
“observation”有“观察；观测”之意，“post”可表示“岗位；哨所” ，二者组合起来“observation post”就形象地表达了用于观察的特定岗位或哨所这一含义。例如：The soldiers were stationed at the observation post.（士兵们驻扎在观察哨。）