Ova vrućina mi ne odgovara, dok mi hladnoća zimi smeta još više.

Croatian does not have articles like the or a/an. Definiteness is usually understood from context, or it can be made more specific with words like ovaj/ova/ovo (this) or taj/ta/to (that).

So:

• ova vrućina = this heat
• hladnoća can mean cold, the cold, or cold weather, depending on context

Because vrućina is the subject of the verb odgovara, so it must be in the nominative case.

• ova vrućina = nominative singular feminine
• ovu vrućinu = accusative singular feminine

Here the structure is basically:

• ova vrućina = the thing doing the verb
• mi = to me
• ne odgovara = does not suit / does not agree with

So ova vrućina is the correct form.

Yes, but more specifically it often refers to hot weather, heat, or oppressive heat. It is not just the abstract physical concept of heat in every context.

So ova vrućina often sounds like:

• this heat
• this hot weather
• this heat wave / this oppressive heat

In everyday speech, it usually refers to weather rather than, for example, heat from a stove.

Mi is the unstressed dative form of ja (I/me), and here it means to me.

Both verbs in the sentence commonly take a person in the dative:

• odgovarati nekome = to suit someone / agree with someone
• smetati nekome = to bother someone

So:

• ova vrućina mi ne odgovara = this heat does not suit me
• dok mi hladnoća zimi smeta = while the cold in winter bothers me

It appears twice because each clause has its own verb, and each verb has its own dative pronoun.

No. Odgovarati has more than one meaning.

It can mean:

• to answer
• to suit
• to be appropriate
• to agree with someone

Here it means to suit or to agree with.

So ne odgovara mi means something like:

• doesn’t suit me
• doesn’t agree with me

It does not mean doesn’t answer me in this sentence.

They are similar, but not the same.

• ne odgovara mi = it does not suit me / it does not agree with me
• smeta mi = it bothers me / it annoys me / it causes discomfort

So the first clause is a bit softer:

• This heat doesn’t suit me

The second clause is stronger:

• The cold in winter bothers me even more

That contrast helps explain why the second half sounds more forceful.

Here dok means while, whereas, or but, introducing a contrast between the two clauses.

So in this sentence it has a contrastive meaning:

• This heat doesn’t suit me, whereas the cold in winter bothers me even more.

In other contexts, dok can also mean until, but that is not the meaning here.

Because mi is a clitic: a short, unstressed word that usually goes near the beginning of its clause, often in the second position.

So in:

• dok mi hladnoća zimi smeta još više

the clitic mi comes very early, right after dok. This is normal Croatian word order.

English speakers often want to place pronouns more freely, but Croatian clitics follow special placement rules. In neutral style, mi in this position sounds natural.

Zimi is an adverb meaning in winter.

It is best learned as a fixed time expression, similar to:

• ljeti = in summer
• zimi = in winter

So:

• hladnoća zimi = the cold in winter
• or more literally, coldness/winter cold in winter

It tells you when the cold bothers the speaker.

Još više means even more or still more.

It compares the second idea with the first one:

• the heat does not suit me
• the cold in winter bothers me even more

So the speaker is saying that cold is worse for them than heat.

Because the comparison is already understood from the previous clause.

The sentence first says:

• This heat doesn’t suit me

and then adds:

• the cold in winter bothers me even more

So još više is enough to show comparison with the first clause.

If you wanted to make the comparison fully explicit, you could say something like:

• Hladnoća mi zimi smeta više nego ova vrućina.

But in the original sentence, that extra wording is not necessary.

Yes, but the effect changes.

• mi = unstressed, neutral, most natural here
• meni = stressed, more emphatic

So:

• Ova vrućina mi ne odgovara = neutral
• Ova vrućina meni ne odgovara = emphasizes me

Using meni can sound contrastive, as if you mean:

• This heat doesn’t suit me (maybe it suits someone else)

In ordinary neutral speech, mi is the better choice here.

Yes.

• Ova vrućina mi ne odgovara = this heat doesn’t suit me
• Vrućina mi ne odgovara = heat / hot weather doesn’t suit me

With ova, the speaker points to a specific present situation, such as the current weather. Without it, the statement sounds more general.

So ova adds specificity: this particular heat.