date night
noun [ C ] uk/ˈdeɪt ˌnaɪt/ us/ˈdeɪt ˌnaɪt/
约会之夜（尤指已婚或已长时间交往的伴侣过二人世界）
an occasion when two people who are married, or who have been in a relationship for a long time, go out together in the evening to enjoy themselves
Keep your relationship alive with regular date nights! 通过定期的约会之夜让你们的关系保鲜！