Bugün ince gömlek giymiyorum, çünkü hava soğuk.

Because Turkish often leaves out subject pronouns when the verb already shows who the subject is.

In giymiyorum, the ending tells you the subject is I:

• giy- = wear / put on
• -miyor- = negative present continuous
• -um = I

So giymiyorum already means I am not wearing or I’m not putting on.

You could say Ben bugün ince gömlek giymiyorum, but ben would only be added for emphasis, contrast, or clarity.

It is made from several parts:

• giy- = to wear / to put on
• -miyor- = negative present continuous
• -um = first person singular (I)

So:

giy + miyor + um = giymiyorum

This means I am not wearing or I’m not putting on.

A useful pattern:

• giyiyorum = I am wearing
• giymiyorum = I am not wearing

In this sentence, it most naturally means I’m not wearing or I’m not putting on.

The -iyor form is the Turkish present continuous, but Turkish uses it a bit more broadly than English sometimes. Depending on context, it can describe:

• something happening now
• something true around the present time
• a current decision or temporary habit

Here, with Bugün (today), it means something like:

• Today I’m not wearing a thin shirt
• Today I’m not putting on a thin shirt

If you wanted a more general meaning like I don’t wear thin shirts, Turkish would often use giymem instead.

Because in Turkish, adjectives normally come before the noun they describe.

So:

• ince gömlek = thin shirt
• soğuk hava = cold weather

This is similar to English word order for adjectives.

If you say gömlek ince, that would usually mean the shirt is thin, where ince is acting as the predicate, not just an adjective inside the noun phrase.

Yes, ince literally means thin, but with clothes it often means light, lightweight, or not thick.

So ince gömlek is a natural Turkish way to say:

• a thin shirt
• a lightweight shirt
• a shirt made of thin fabric

A native English speaker might expect light shirt, but Turkish often uses ince for fabric thickness.

Because ince gömlek is an indefinite direct object.

In Turkish, a direct object often stays unmarked when it means a/an in a general, non-specific way.

So:

• ince gömlek giyiyorum = I’m wearing a thin shirt
• ince gömleği giyiyorum = I’m wearing the / that specific thin shirt

Here, the sentence is talking about thin shirts in a general sense, not one particular known shirt, so gömlek stays bare.

Bugün means today, and it is placed at the beginning because that is a very natural place for time expressions in Turkish.

Turkish word order is flexible, but different positions can change emphasis.

These are all possible:

• Bugün ince gömlek giymiyorum.
• İnce gömlek bugün giymiyorum.
• İnce gömlek giymiyorum bugün.

The first one is the most neutral and natural for learners.

Putting Bugün first makes the time setting clear right away: Today...

Because Turkish typically places the main verb near the end of the clause.

So in:

Bugün ince gömlek giymiyorum

the verb giymiyorum comes last.

This is one of the biggest differences from English. English often uses:

• I am not wearing a thin shirt today

But Turkish prefers something more like:

• Today thin shirt not-wearing-I

That does not sound natural in English, of course, but it shows the Turkish structure more clearly.

Çünkü means because.

It introduces the reason:

• Bugün ince gömlek giymiyorum = Today I’m not wearing a thin shirt
• çünkü hava soğuk = because the weather is cold

So the whole sentence is:

• statement + reason

This is very similar to English.

Another common Turkish way to express because is with -dığı için / olduğu için, for example:

• Bugün ince gömlek giymiyorum, çünkü hava soğuk.
• Hava soğuk olduğu için bugün ince gömlek giymiyorum.

Both are natural.

Because in Turkish, in the present tense, the verb to be is often not expressed separately in third person.

So:

• hava = weather / air
• soğuk = cold

Together, hava soğuk means:

• the weather is cold

Turkish often does this with adjectives and nouns in the present tense:

• O yorgun. = He/She is tired.
• Ev büyük. = The house is big.
• Hava soğuk. = The weather is cold.

So even though there is no separate word for is, the meaning is still is cold.

Yes, hava soğuktur is possible, but it sounds different.

• hava soğuk = neutral, everyday the weather is cold
• hava soğuktur = more formal, more definite, sometimes more like the weather is indeed cold or the weather tends to be cold

In normal conversation, hava soğuk is the more common choice.

In soğuk, the letter ğ is the soft g.

It usually is not pronounced like a hard g in English. Instead, it often:

• lengthens the previous vowel, or
• creates a smooth glide between vowels

So soğuk sounds roughly like:

• so-uk
• with a softened, stretched transition after o

It is not a strong g sound.

This letter often confuses learners, but the key point is: in most modern Turkish speech, ğ is very soft or nearly silent.

The comma separates the main statement from the reason clause:

• Bugün ince gömlek giymiyorum, çünkü hava soğuk.

This is common and helps readability.

In Turkish, punctuation around çünkü is not always absolutely rigid in informal writing, but using the comma here is very normal and clear, especially for learners.