once
有一回呢她上澡堂子洗澡
One time, she went to the public bathhouse to take a bath.
— 洗澡 (1999)
有一回对我说道,『你读过书么?』
Once, he asked me, “Have you ever read any books?”
有一回为李子的事大人罚我你们去跳舞
One time, the adults punished me over the plums while you went dancing.
— 战争与和平 (1968)