Bugün dışarı çıkmak istemiyorum; üstelik hava çok soğuk.

In Turkish, a very common pattern is:

verb in the infinitive + istemek

So here:

• çıkmak = to go out / to leave
• istemiyorum = I don’t want

Together, çıkmak istemiyorum literally means I don’t want to go out.

This is different from English, which often uses want to + verb. Turkish usually uses the infinitive form of the second verb instead.

İstemiyorum can be broken down like this:

• iste- = want
• -me- = negative marker
• -iyor = present continuous / current state
• -um = I

So:

iste + me + iyor + um → istemiyorum

That gives I don’t want.

Compare:

• istiyorum = I want
• istemiyorum = I don’t want

For learners, this word can look confusing because the dictionary form is istemek. But in the sentence, you are seeing a conjugated and negated form, not the infinitive.

Dışarı çıkmak is a very common expression meaning:

• to go outside
• to go out
• sometimes to leave the house / go out somewhere

Word by word:

• dışarı = outside / out
• çıkmak = to go out, exit, come out, rise

As a set phrase, dışarı çıkmak often means to go out in the everyday sense.

So in this sentence, it most naturally means going out rather than just physically stepping outside for one second.

Here, dışarı works like an adverb meaning outside / out.

In Turkish, some location/direction words can appear without an extra case ending in common expressions. Dışarı çıkmak is one of those very natural fixed combinations.

So you do not need something like an extra word for to in English. Turkish expresses the idea with the phrase itself:

• dışarı çıkmak = to go out / go outside

This is something learners often just need to get used to as a common collocation.

Bugün means today, and putting it first is very natural in Turkish.

Turkish word order is flexible, but the beginning of the sentence often sets the topic, time, or context. So:

Bugün dışarı çıkmak istemiyorum
means Today, I don’t want to go out.

You could move bugün in some contexts, but starting with it sounds very normal because it frames the whole statement.

Turkish often places the main conjugated verb near the end of the clause.

So in:

Bugün dışarı çıkmak istemiyorum

the final word istemiyorum is the main conjugated verb.

A rough structure is:

• Bugün = today
• dışarı çıkmak = to go out
• istemiyorum = I don’t want

This end-of-clause verb position is one of the biggest differences from English word order.

Üstelik means something like:

• moreover
• besides
• what’s more
• on top of that

It adds an extra point that strengthens what was just said.

So:

Bugün dışarı çıkmak istemiyorum; üstelik hava çok soğuk.

means something like:

I don’t want to go out today; besides, the weather is very cold.

It is not exactly the same as because.
It adds another supporting idea rather than introducing a simple direct cause in the most neutral way.

Yes, but the nuance changes.

• çünkü = because
• üstelik = besides / moreover / on top of that

If you say:

Bugün dışarı çıkmak istemiyorum çünkü hava çok soğuk.
that means I don’t want to go out today because the weather is very cold.

That is a straightforward reason.

But with üstelik, the feeling is more like:

I already don’t want to go out today, and on top of that, the weather is very cold.

So both are possible, but üstelik adds emphasis and layering.

In Turkish, the verb to be is often omitted in simple present-tense third-person sentences.

So:

• hava = weather / air
• çok = very
• soğuk = cold

Hava çok soğuk literally looks like weather very cold, but it means:

The weather is very cold.

This is completely normal Turkish. In the present tense, third-person sentences often do not need an explicit word for is.

Compare:

• Ben yorgunum = I am tired
• O yorgun = He/She is tired

Notice that third person can appear with no separate word for is.

It can mean both, depending on context.

• hava = air
• hava = weather

In this sentence, hava çok soğuk clearly means the weather is very cold, not the air is very cold in a scientific sense.

This is very common in Turkish. Context tells you which meaning is intended.

In Turkish, çok usually comes before the adjective or adverb it modifies.

So:

• çok soğuk = very cold
• çok güzel = very beautiful
• çok hızlı = very fast

That is why hava çok soğuk is the natural order.

The word soğuk is approximately pronounced like so-uk, with the ğ not sounding like a strong English g.

In many cases, Turkish ğ:

• lengthens the vowel before it, or
• creates a smooth transition between vowels

So in soğuk, the ğ is soft and subtle rather than a hard consonant.

Also:

• o is a pure vowel, not a diphthong like in many English accents
• the final u is like oo in book/put, but more rounded and steady

So learners should avoid pronouncing it like sog-uk with a hard g.

The semicolon separates two closely connected clauses:

• Bugün dışarı çıkmak istemiyorum
• üstelik hava çok soğuk

It shows that the second part adds another related point.

In Turkish writing, this is perfectly acceptable, especially when the second clause strongly comments on or reinforces the first one.

A comma or a full stop might also appear in other contexts, but the semicolon gives a nice sense of connection plus separation.