observant

observant汉语翻译：a. 严格遵守...的, 留心的, 当心的, 观察力敏锐的, 注意观察的【法】 注意的, 留心的, 严格遵守的词型变化：副词:observantly英语解释：形容词 observant:paying close attention especially to details quick to notice; showing quick and keen...