eat lunch对吗

eat lunch是对的，意思是吃午餐。

与吃午餐对应的，还要吃早餐和吃晚餐，分别是eat breakfast，eat dinner，it还可以用have取代have lunch，have breakfast ，have dinner…

例句：A：It's time to eat lunch.I'm little hungry.Do you want to eat something?

B：Yes.Let's go to the restaurant.