night·ly /ˈnaɪtlɪ/ a. | ad.I a. 1. 晚上的,夜间的;夜间发生的;夜间特有的 a nightly visitor 夜客 the nightly skies 夜空 2. 每夜的 Nightly visits are made by the house physicians. 住院医师每夜查病房。 3. 〈书〉适于夜晚的 4. 〈废〉如夜晚的 II ad. 在夜间;每夜 He visits his friends only nightly. 他只在夜里访友。 Performances were given nightly last month. 上月,每夜都有演出。