Let's do lunch sometime.

有时间我们一起吃午饭。

youdao

Let's do lunch sometimes.

我们什么时候吃顿午饭吧。

youdao

Let's do lunch.

做午饭吧。

youdao

Our class,in fact, is just before lunch time, and I'm happy to say that when they do my class, they don't need lunch any more because they eat what they make."

VOA: standard.2010.05.14

I can't, I can't do this. I'm so excited that I can't eat lunch.

我实在太兴奋了，以至于我都没法吃午餐了。

so that 课堂 - SpeakingMax英语口语达人

What do you want for lunch?

午餐想吃什么？

What do you 实战 - SpeakingMax英语口语达人

When people do lunch quickly, they often feel forced to choose fast food.

BBC: Should lunch breaks be mandatory?

But rather than live the rich life and do lunch at Spago in Beverly Hills, Gordon, 34, has set out to fix an intractable problem.

FORBES: Magazine Article

Nope, though the two do lunch annually.

FORBES: Larry Ellison's Netsuite Takes On Foes (And Himself)