丑时 chǒushí
[the period from 1 to 3 a.m.] 旧式计时法指夜里一点钟到三点钟的时间
夜里一点钟到三点钟的时间。
英语 1-3 am (in the system of two-hour subdivisions used in former times)
法语 de 1 à 3 heures