So for those of you who haven't read, Richard's father works nights and sleeps during the day, and during the day the children therefore have to be very quiet.

可能有人不清楚，理查的父亲日出而息，日落而作，因而小孩白天不敢出声。

耶鲁公开课 - 1945年后的美国小说课程节选