Čaj ili kafa, svejedno mi je.

Literally, it is something like it is all one to me.

• svejedno = all the same / makes no difference
• mi = to me
• je = is

So Čaj ili kafa, svejedno mi je. means Tea or coffee, it makes no difference to me.

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

In Serbian, feelings, preferences, and similar ideas are often expressed with a dative pronoun:

• Hladno mi je. = I am cold.
  Literally: It is cold to me.
• Dosadno mi je. = I am bored.
• Svejedno mi je. = It doesn’t matter to me.

So mi je is a very normal Serbian pattern.

They are in the nominative, because this is basically an elliptical choice expression: Tea or coffee?

Serbian often leaves out words that are understood from context. So:

• Čaj ili kafa?
• Čaj ili kafa, svejedno mi je.

Both nouns stay in their basic dictionary form because you are naming options, not using them as objects of a full verb.

If you used a full sentence with a verb like want, then the case could change depending on the structure:

• Hoćeš li čaj ili kafu? = Do you want tea or coffee?

Here kafu is accusative, because it is the object of the verb.

Yes, you can think of it that way.

The first part is not a full formal sentence by itself. It is more like:

• Tea or coffee?
• As for tea or coffee...
• Whether tea or coffee...

Serbian, like English, often omits words that are obvious from context. The full idea might be something like:

• Da li želiš čaj ili kafu?
• Ako je čaj ili kafa, svejedno mi je.

But in real speech, Čaj ili kafa, svejedno mi je sounds natural and efficient.

Yes, absolutely.

These are all natural:

• Svejedno mi je.
• Meni je svejedno.
• Sve mi je jedno.

The difference is mostly one of emphasis and style:

• Svejedno mi je = the most neutral/common here
• Meni je svejedno = emphasizes to me
• Sve mi je jedno = very common conversational alternative

So if someone asks you Čaj ili kafa?, you can simply answer:

• Svejedno mi je.

In everyday use, they usually mean the same thing: I don’t mind / It makes no difference to me.

• svejedno is often treated as a single word meaning all the same / no matter
• sve mi je jedno is a more transparent structure: everything is one to me

For a learner, the safest thing is:

• Learn svejedno mi je as a fixed expression.
• Also recognize sve mi je jedno when you hear it.

Both are common.

The comma separates the topic/options from the comment about them.

So the structure is roughly:

• Čaj ili kafa = the topic being discussed
• svejedno mi je = what the speaker says about that topic

In English, we often do something similar:

• Tea or coffee, I don’t care.
• Tea or coffee, it doesn’t matter to me.

The comma helps show that pause.

Yes, Serbian word order is flexible, though some versions sound more natural in certain contexts.

Natural possibilities include:

• Čaj ili kafa, svejedno mi je.
• Svejedno mi je, čaj ili kafa.
• Meni je svejedno, čaj ili kafa.

However, Čaj ili kafa, svejedno mi je is a very clear and natural answer to a choice question.

Also note that short clitics like mi and je tend to prefer certain positions in the sentence, so you usually do not want to separate them unnaturally.

A rough pronunciation guide is:

čaj ili kafa, svejedno mi je
≈ chai EE-lee KAH-fa, sve-YED-no mee yeh

A few key sounds:

• č sounds like ch in church
• j sounds like y in yes
• lj/nj are special in Serbian, but they do not appear here

Word by word:

• čaj ≈ chai
• ili ≈ EE-lee
• kafa ≈ KAH-fa
• svejedno ≈ sve-YED-no
• mi ≈ mee
• je ≈ yeh

Yes. In Serbian, kafa is the normal word.

You may also see regional variation in neighboring languages:

• Serbian: kafa
• Croatian: often kava

So in Serbian, čaj ili kafa? is exactly what you would expect.

Yes, it is very natural.

It sounds relaxed, normal, and polite enough for everyday situations such as:

• at someone’s home
• in an office
• when being offered a drink

If you want to sound a bit softer or more explicitly polite, you could also say:

• Svejedno mi je, hvala.
• Može bilo šta.
• Kako god.

But Čaj ili kafa, svejedno mi je is already a perfectly natural everyday sentence.