Hún er ekki löt; hún þarf bara smá tíma eftir langan dag.

Because the subject is hún = she, which is third person singular.

• vera = to be → er = is
• þurfa = to need → þarf = needs

So:

• Hún er = She is
• Hún þarf = She needs

Icelandic verbs change form according to the subject, and these are the correct singular forms for hún.

Because adjectives in Icelandic must agree with the noun or pronoun they describe.

Here, löt describes hún, which is:

• feminine
• singular
• nominative

So the adjective has to be in the feminine singular nominative form:

• masculine: latur
• feminine: löt
• neuter: latt

Since the sentence is about she, you need löt.

In a normal Icelandic main clause, the negation ekki usually comes after the finite verb.

So:

• Hún er ekki löt = She is not lazy

This word order is very standard and natural.

A beginner-friendly rule is:

• subject + finite verb + ekki + rest

For example:

• Hún er ekki þreytt
• Ég kann ekki þetta
• Við förum ekki í dag

Because these are two separate clauses:

• Hún er ekki löt
• hún þarf bara smá tíma eftir langan dag

In Icelandic, you normally repeat the subject in the second clause if it has its own verb. You would not usually leave hún out here.

So the repetition is not strange or unnecessary; it is the normal way to build the sentence.

Here bara means just, simply, or only.

So hún þarf bara smá tíma means something like:

• she just needs a little time
• she simply needs a little time

It softens the statement. The idea is that nothing is seriously wrong; she only needs some time to recover or rest.

Because þurfa normally takes a direct object in the accusative case.

The noun is tími in the nominative, but after þarf it becomes accusative:

• nominative: tími
• accusative: tíma

So:

• Hún þarf tíma = She needs time

This is a very common pattern in Icelandic: the verb determines the case of the noun that follows it.

Smá is very commonly used in everyday Icelandic as an indeclinable word meaning a little, some, or small in a loose sense.

So smá tíma is a very natural everyday expression meaning a little time.

Learners often expect a fully inflected adjective, and that is a reasonable question. In more formal or more strictly inflected language, you may also encounter forms based on smár, but in normal speech smá is extremely common and often stays the same.

So for practical purposes, you can treat:

• smá tíma
• smá hjálp
• smá vatn

as very normal Icelandic.

Here eftir means after, and in this time-related meaning it takes the accusative.

That means both the adjective and the noun must be in the accusative:

• dagur → dag
• langur → langan

So:

• eftir langan dag = after a long day

This is also why you do not see:

• langur dagur
• löngum degi

in this sentence. The preposition controls the case.

Because Icelandic does not have an indefinite article like English a/an.

So Icelandic often just uses the noun by itself:

• dagur can mean a day
• tími can mean a time or time, depending on context

In this sentence:

• langan dag = a long day
• smá tíma = a little time

If Icelandic wants to say the, it usually adds the definite article to the noun:

• dagurinn = the day

But here the meaning is indefinite, so there is no article.

The given word order is the most neutral and natural one for a learner to use.

• Hún er ekki löt
• hún þarf bara smá tíma eftir langan dag

Icelandic does allow some movement for emphasis, but changing the order can make the sentence sound more marked, literary, or contrastive.

So yes, word order can change, but the version you have is the safest standard pattern.

A good beginner strategy is:

• keep the subject first
• put the finite verb early
• keep ekki after the finite verb
• do not move words around unless you know what emphasis you want

A few useful pronunciation points:

• þ in þarf is like th in think
• ú in hún is like oo in food
• ö in löt has no exact English equivalent; it is somewhat like the vowel in bird or burn, but with rounded lips

So a rough guide would be:

• Hún ≈ hoon
• þarf ≈ starts with th as in think
• löt ≈ a short rounded vowel that English does not quite have

If you want to sound more natural, the most important thing is to get þ right and to remember that Icelandic vowels are very important for meaning.