They like to eat their lunch together.

他们喜欢一起吃他们的午餐。

youdao

Tom and Jack often eat their lunch together.

汤姆和杰克经常一起吃午饭。

youdao

They often eat their lunch outside the classroom.

他们将会在教室外面吃他们的午餐。

youdao

"They eat their largest meal of the day as lunch,not dinner. They have a big feast on Sundays.

VOA: standard.2010.02.23

If somebody else tries to eat my lunch, they end up--it becomes their lunch.

如果有人试图吃我的午餐，这就变成了他们的午餐。

耶鲁公开课 - 死亡课程节选

He was in a field 1km away from the action zone in an area where soldiers eat their lunch when he was shot and killed in May 2012.

BBC: Michael Maguire

Ranger Maguire, who was 6ft 7in tall, was standing in an administration area where soldiers eat their lunch and pack their gear when he was struck in the head.

BBC: Ranger Michael Maguire

If they stumble for a year or two Microsoft and Nokia, or maybe Google and Samsung, or some as yet unknown competitor, will come and eat their lunch.

FORBES: Google, Microsoft, Apple, Facebook: Please, Will The Regulators Stop Worrying About Monopolies?