We usually have supper at seven o 'clock.then I begin to do my homework. I want to finish it before I go to bed.

我们通常在七点钟吃晚餐，之后我就开始做家庭作业，希望在睡觉前把它做完。

youdao

I always go to bed after one o 'clock recently.

最近我总是1点钟以后才睡觉。

youdao

I wish he would go home. I never get to bed before three o 'clock. What kind of hour is that to go to bed?

我真希望他回家去。我从来没有在三点钟以前睡觉过。那是个什么样的睡觉时间呀？

youdao

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09