A levesbe nem kell több só.

A is the definite article, meaning the.

So a leves = the soup.

Hungarian has two forms of the definite article:

• a before most consonants
• az before vowels

Since leves starts with l, it takes a.

This is a very common question.

• levesben means in the soup (location)
• levesbe means into the soup (movement/direction)

In this sentence, Hungarian thinks of salt as being added into the soup, so levesbe is natural.

Even though English says The soup doesn't need more salt or No more salt is needed in the soup, Hungarian often uses the directional form here because the idea is putting salt into it.

Because of vowel harmony.

The noun leves contains front vowels, so it takes the front-vowel form -be.

Compare:

• házba = into the house
• levesbe = into the soup

So leves + be = levesbe.

kell means is needed, is necessary, or sometimes must depending on context.

With nem, it becomes:

• nem kell = is not needed, doesn't need, there is no need for

In this sentence, nem kell több só means more salt is not needed.

So Hungarian uses kell where English might say:

• doesn't need
• isn't needed
• there's no need for

Hungarian does not build this sentence the way English does.

English might say:

• The soup does not need more salt
• More salt is not needed in the soup

Hungarian simply uses kell as the main verb of necessity/need:

• nem kell több só

So there is no separate helper like does.

több só is a normal noun phrase meaning more salt.

• több = more
• só = salt

Together they work like more salt, just as in English.

You do not need an article here. In fact, with materials and uncountable nouns like salt, Hungarian often leaves out the article when talking about some amount of the substance.

So:

• több só = more salt
• not több a só

Because in Hungarian, after quantity words like több (more), the noun usually stays singular.

So:

• több só = more salt
• több alma = more apples
• sok könyv = many books

This is different from English, where countable nouns usually become plural after words like more or many.

So even if English says more apples, Hungarian says literally more apple: több alma.

Because só is not in the accusative here.

With kell, the thing that is needed is usually left in the basic form, not marked with -t.

So:

• Kell víz. = Water is needed.
• Nem kell cukor. = Sugar is not needed.
• Nem kell több só. = More salt is not needed.

An English speaker may expect a direct object, but Hungarian treats this structure differently.

Because nem normally goes directly before the verb it negates.

Here it negates kell:

• nem kell = is not needed

That is the regular Hungarian pattern.

Hungarian word order is flexible, but it is not random. It often reflects what the speaker wants to emphasize or set as the topic.

Here:

• A levesbe sets the frame: as for the soup / into the soup
• nem kell gives the negative statement
• több só is the thing not needed

So the sentence naturally means something like:

• As for the soup, more salt is not needed.

This word order is very normal and natural.

Yes, it can be, but the nuance is slightly different.

• A levesbe nem kell több só focuses on adding salt into the soup
• A levesben nem kell több só sounds more like in the soup, there is no need for more salt

In many everyday situations, both are understandable, but levesbe is especially natural when talking about whether you should add more salt.

• több só = more salt
• még több só = even more salt / additional more salt

In your sentence, több só is enough: no more salt is needed.

If you said nem kell még több só, it would sound a bit more emphatic, like:

• it doesn't need any more salt
• it definitely doesn't need even more salt

It can match both in English.

Hungarian often allows this kind of structure to be translated in more than one natural way:

• The soup doesn't need more salt.
• No more salt is needed in the soup.

Both express the same basic idea.

A very literal breakdown would be something like:

• Into the soup not needed more salt.

But that is only for understanding the structure, not for natural English.