Giáo viên tạo hình rồi nung bình hoa.

Not in this sentence.

Here, giáo viên is the subject, meaning teacher, and tạo hình is the first verb phrase, meaning to shape / model / form. A strong clue is rồi, which connects two actions in sequence: tạo hình and nung.

If you wanted to say art teacher, Vietnamese would more naturally use something like giáo viên mỹ thuật.

In this context, tạo hình means to shape, form, mold, or model something.

It is especially natural in art, sculpture, ceramics, and crafts. So in a pottery context, it means the teacher gave the vase its form before firing it.

Although tạo and hình each have their own meanings, together they work as a set expression here.

Here, rồi means then / and then / after that.

It shows the order of events:

• first: tạo hình
• then: nung bình hoa

So it is linking two actions in a sequence.

In other sentences, rồi can also mean already, but that is not the function it has here.

Not necessarily from grammar alone.

Vietnamese does not require tense marking the way English does. A sentence like this can be understood as:

• a past event
• a present description of a process
• a habitual action

The time is usually understood from context. If you wanted to mark the past more clearly, you could add đã, as in Giáo viên đã tạo hình rồi nung bình hoa.

Vietnamese does not use articles like English does.

So:

• giáo viên can mean a teacher or the teacher
• bình hoa can mean a vase or the vase

The exact meaning depends on context. If Vietnamese needs to be more specific, it often uses demonstratives such as này or đó, or the context makes it clear.

Because classifiers are not always required.

After a verb, a bare noun like bình hoa is often completely natural. So nung bình hoa is fine.

If you want to sound more specific or emphasize the object as a single item, you could add a classifier, for example:

• nung cái bình hoa
• nung chiếc bình hoa

For an object like a vase, chiếc often sounds a bit more natural or elegant than cái, but both can appear depending on style and context.

Literally, bình hoa is something like flower container, so flower vase is the literal idea.

In normal English translation, though, it is often just vase.

It usually refers to a vase used for flowers, not a pot with flowers growing in it. For a flowerpot, Vietnamese would more likely use chậu hoa.

Yes, the idea is that the same object is involved in both actions.

In this sentence, bình hoa is stated after nung, and the object of tạo hình is understood from context. Vietnamese often leaves out repeated words when the meaning is clear.

So the sentence is understood roughly as:

• the teacher shaped the vase
• then fired the vase

A more explicit version could repeat the object or restructure the sentence, but the given sentence is still understandable.

No, they are different.

Nung means to fire, heat intensely, kiln-fire, smelt, calcine. It is used for things like:

• clay
• ceramics
• bricks
• metal

Nướng means to grill / roast / barbecue, usually for food.

So for a vase made of clay or ceramic, nung is the correct word.

By itself, giáo viên is number-neutral, but in this sentence it will normally be understood as one teacher unless context says otherwise.

Vietnamese often does not mark singular vs. plural unless needed. If you wanted to make it clearly plural, you could say các giáo viên.

The same general idea applies to many Vietnamese nouns: context does a lot of the work.