We check email at all hours of the day.

我们每时每刻都在查看邮箱。

youdao

We check email at all hours of the day—we're obsessed.

我们每时每刻都在查看邮箱——我们都被迷住了。

youdao

She thinks she can call me at all hours of the day and night.

她以为她可以不分昼夜随时给我打电话。

《牛津词典》

But he points out that technology has also made new music available to people all over the world twenty-four hours a day.

VOA: special.2010.07.19

All your TA's have either already have their extra office hours, or there are some that will be going on tonight or tomorrow, so keep those in mind as your finishing up your studying for the exam.

你们的助教们有的已经做过额外的答疑，而有的会在今天晚上或者明天答疑，因此在你复习准备,考试的时候不要忘了这些。

麻省理工公开课 - 化学原理课程节选

I would have class maybe 8 to 9 hours like all in a row

我要连续上八至九小时的课，

耶鲁的忙碌生活 - SpeakingMax英语口语达人

Military aircraft land at and take off from an airstrip there at all hours.

NEWYORKER: The Taliban��s Opium War

"I was staying up all hours of the night, poring over the data, " he says.

FORBES: Magazine Article

They see the advantages for their organizations when workers can engage at all hours.

FORBES: Readiness With a Human Face