每天五点来钟就得起床，睡眠不足，训练紧张，胃口不好。

We have to get up at around 5 o 'clock, suffering from not enough sleep. The training is so intense, which gave me a bad appetite.

youdao

他们是六点钟来的，九点钟走的。

They came at six and went at nine.

《牛津词典》

你能不能匀出五分钟来不去想工作？

Could you possibly forget about work for five minutes?

《牛津词典》

So with apologies for being a bit more boring for twenty minutes, let's do something we'll call formal stuff.

抱歉接下来的二十多钟分可能有点枯燥,我们来做点正经事

耶鲁公开课 - 博弈论课程节选