at night对应词是by daylight，具体释义如下：
读音：[baɪ ˈdeɪlaɪt]
表达意思：在白天
固定搭配：Owls Flying By Daylight 猫头鹰在白天行动
例句：It is easier to read by daylight than by lamplight.
在日光下读书比在灯光下读书舒适。
“at night”近义词介绍：by night
读音：[baɪ naɪt]
表达意思：在夜里
词性：通常在句中作副词，修饰主语或宾语。
例句：The sun shines by day, and the moon shines by night.
太阳在白天光芒万丈，月亮在夜晚明亮。