漏尽更阑

Explanation: Leakage: Ancient dripping timing equipment. More: Night time units. Metaphor refers to the time of night. 　　Usage: Joint type; as object, adverbial; that night when 　　Source: Yuan High Wenxiu "Xiangyang will": "till the Loujin more Lanna, Jiequjingqiao." Thesaurus:  at dead of night, midnight, in the dead of night, night midnight, Reference back to the turning