我要吃饭，等一下在聊的英语怎么说？

it is time for me to have breakfast/lunch/dinner .wait a moment and i'll be back soon.
或 简单说 i have to eat now .i 'll talk in a moment

i'm having dinner/lunch/breakfast, can't this wait?
我吃饭呢，等会（再说）行吗

i'm eating, i'll talk to you later
我正在吃，待会再聊

can't i have a quiet meal?
难道我就不能安静的享用美餐吗
i need to eat,you can talk to me later（talk later）
我要吃饭，你等会再跟我聊（等会再聊）
视心情和饥饿程度随意取用，呵呵

got go for lunch或者dinner， be back soon

吃过了吗？这样的问题是私人一点的问题，问了他会觉得：你想请我吃饭么 还有我去吃饭了，你们慢慢聊 I'm going for lunch, enjoy talking. have

I'm off to eat, talk to you later.