I anticipate his arrival at four o 'clock.

我期待他4点钟到达。

《新英汉大辞典》

Let's come back at four o 'clock.

让我们在4点回来。

youdao

We have tea at four o 'clock in the afternoon.

我们在下午四点钟喝茶。

youdao

She was nineteen. Those who knew Ida Tarbell in college say she would wake up at four o'clock in the morning to study.

VOA: special.2010.04.25

And the last example that we're going to talk about is thionyl chloride, so it's s o c l 2. This is another good step forward, because now we actually have four different atoms in our molecule.

我们要讨论的最后一个例子,是氯化亚砜，就是硫，氧，氯，二，这又是一个进步，因为我们的分子中现在有四个不同的原子了。

麻省理工公开课 - 化学原理课程节选

Okay, which one is that? Seven o one three nine two four nine (70139249), what's...

我也一脸茫然，他们说的数字代表什么？70139249，什么意思？

社团小组信息 - SpeakingMax英语口语达人

It was four o'clock in the afternoon and the kitchen was square and gray and quiet.

NPR: Excerpt: 'The Member of the Wedding'

Had you arrived from Mars at around four o'clock a couple of Saturdays back, you would have wondered what all the fuss was about.

BBC: Chick Young's view

The holders, who had seven members on Armagh's All-Ireland panel, will go in as strong favourites against a Dromintee line-up backboned by the four O'Rourke brothers.

BBC: Big weekend of club action