吃过午饭

have eaten lunch

→ 吃
phrase Rare #32,317
have eaten lunch Indicates that lunch has already been eaten; 过 marks a completed experience.
CH: 我们吃过午饭再去散步。
EN: Let's go for a walk after we've had lunch.

他已经吃过午饭了。

He has already had lunch.

你已经吃过午饭了,而我还没有。

You've already had lunch, but I haven't.

— 八部半 (1963)

我现在还没有吃过午饭。

I haven't had lunch yet.