Questions & Answers about Hay là tối mai?
In this kind of sentence, hay là is a very common way to make a suggestion or propose an alternative.
It often corresponds to English expressions like:
- how about ...?
- maybe ...?
- or else ...?
- what if ...?
So here, hay là is not just a plain dictionary or. It has a conversational feel: the speaker is offering an idea for consideration.
Yes, it is completely natural in Vietnamese conversation, even though it may feel incomplete from an English point of view.
Vietnamese often leaves out words that are obvious from context. A fuller version might be something like:
- Hay là mình gặp nhau tối mai?
- Hay là để tối mai nhé?
- Hay là dời sang tối mai?
In everyday speech, if everyone already knows what is being discussed, the speaker can shorten it to just Hay là tối mai?
So the omitted idea might be:
- meet tomorrow evening
- do it tomorrow evening
- move it to tomorrow evening
The exact missing words come from context.