Yanık geceleri sızlıyor.

Here it works as a noun: yanık = a burn / a burn wound.

Even though yanık can also be an adjective meaning burnt / scorched, in this sentence it is the thing doing the action:

• Yanık = the burn
• sızlıyor = aches / stings / throbs

So the sentence is understood as The burn aches at night or The burn stings at night.

Geceleri is a common time expression meaning at night, nights, or during the nights in a habitual/repeated sense.

It is built from:

• gece = night
• -ler = plural
• -i = part of a fixed adverbial form often used with time words

So geceleri does not usually mean a literal object like the nights here. It functions adverbially:

• geceleri sızlıyor = it aches at night / nights

This pattern is very common in Turkish:

• akşamları = in the evenings
• sabahları = in the mornings
• yazları = in the summers

No. Geceleri usually means at night or during the nights as a repeated or general time.

If you want tonight, you would normally say:

• bu gece = tonight

So:

• Yanık geceleri sızlıyor. = The burn aches at night.
• Yanık bu gece sızlıyor. = The burn is aching tonight.

Sızlıyor comes from sızlamak, which describes a kind of pain like:

• aching
• stinging
• smarting
• throbbing lightly
• being sore in a nagging way

So it is not just any pain. It often suggests a more persistent, irritating, tender pain rather than a sharp one-time pain.

That is why The burn aches/stings is a good translation.

Form:

• sızla- = ache, sting, smart
• -ıyor / -yor = present continuous

So sızlıyor literally means something like is aching / is stinging.

Because Turkish -yor does more work than English is ...-ing.

In English, is aching usually sounds like it is happening right now.
In Turkish, -yor can also be used very naturally for something that happens regularly, especially when there is a time word like geceleri.

So:

• Yanık geceleri sızlıyor.

can be translated naturally as:

• The burn aches at night.
• The burn is aching at night.

English often prefers the simple present here, but Turkish commonly uses -yor.

The basic order here is:

• Yanık = subject
• geceleri = time expression
• sızlıyor = verb

So:

• Yanık geceleri sızlıyor.

Turkish is flexible with word order, so you could also hear:

• Geceleri yanık sızlıyor.

That would put more emphasis on at night.

But the original order is perfectly natural and straightforward.

Turkish has no direct equivalent of English articles the and a/an in most sentences.

So yanık can mean:

• a burn
• the burn

The exact meaning depends on context.

Also, Turkish does not always state possession when English would. If the speaker wants to say my burn, they can say:

• Yanığım geceleri sızlıyor. = My burn aches at night.

But if the burn has already been identified in context, just yanık can be enough.

Not in the natural reading of this sentence.

A learner might notice that geceleri looks like a noun form and wonder whether it means something like the nights as an object. But here it is understood as a time adverbial, not an object.

Why?

• sızlamak is not the kind of verb that takes nights as a direct object here.
• The meaning that fits naturally is at night.
• This time-expression use of forms like geceleri is very common in Turkish.

So the structure is:

• Yanık = the burn
• geceleri = at night
• sızlıyor = aches

You would say:

• Yanığım geceleri sızlıyor.

Breakdown:

• yanık = burn
• yanığ-ım = my burn

Because of sound changes, the stem changes slightly before the possessive ending:

• yanık → yanığım

So:

• Yanığım geceleri sızlıyor. = My burn aches at night.

This is useful because English often prefers an explicit possessor with body parts and injuries, while Turkish may or may not include it depending on context.