I usually go to the gym during my lunch hour.

我通常在午休时间去健身房。

《牛津词典》

We　decided　that　Mike　would　go　in　before　lunch，to　find　out　where　the　guard　was　standing.

我们决定让迈克在午饭前进去，看看那个警卫站在什么地方。

youdao

Not only did I have the chance to leave school, but I also could sit in my dad's taxi all day long and we would go to a restaurant for lunch.

我不仅有机会离开学校，而且我还可以一整天都坐在我爸爸的出租车里，我们会去餐馆吃午饭。

youdao

Even if they make a little restaurant or little tour agency,nobody comes because it is all-included, people already paid everything so it is no use for them to go outside for a dinner or lunch or whatever,".

VOA: standard.2009.06.04

So I'm not gonna give it a lot of time today because I'm gonna go to class now and study and then have lunch.

因此，我今天不会过多地谈论这一点,因为我还要上课,学习，然后吃午饭。

普林斯顿公开课 - 人性课程节选

And this happens right before you're about to go out to lunch with some friends.

你得知这消息后就和你的朋友们一起出去吃午饭了。

so that 课堂 - SpeakingMax英语口语达人

"On Sunday, Mum had her lunch and decided to go and have a lie-down, " he said.

BBC: Box of ashes

Some employees are even reluctant even to go out to lunch with co-workers for fear of being overheard talking about Goldman, said one person familiar with the matter.

WSJ: For Goldman Employees, Concern and Shots

Mostly locals, but way in the back of the line was a guy from New York, Bradley Geist, who'd flown in just for lunch and planned to go back as soon as he got it.

NPR: New Orleans Loses a Favorite Lunch Spot