Moramo odgonetnuti zadnji trag.

Moramo means we must or we have to.

It is the 1st person plural form of the verb morati = must / to have to.

So:

• moram = I must
• moraš = you must
• mora = he/she/it must
• moramo = we must
• morate = you (plural/formal) must
• moraju = they must

Because Croatian often drops the subject pronoun when it is already clear from the verb ending.

In moramo, the ending -mo already shows that the subject is we.

So:

• Moramo odgonetnuti zadnji trag. = We must figure out the last clue.

You could also say Mi moramo odgonetnuti zadnji trag, but mi would only be used for emphasis, like We have to figure it out.

Because after the modal verb morati (must / have to), Croatian normally uses an infinitive.

So the pattern is:

• morati + infinitive

Examples:

• Moram ići. = I must go.
• Moramo čekati. = We must wait.
• Moramo odgonetnuti... = We must figure out...

This is very similar to English must + base verb.

Odgonetnuti means something like:

• to figure out
• to decipher
• to solve
• to work out, especially when something is puzzling or hidden

It is a very good choice for a clue, riddle, or mystery.

Compared with similar verbs:

• shvatiti = to understand, to realize
• pogoditi = to guess, to hit the right answer
• riješiti = to solve
• odgonetnuti = to figure out/decipher something mysterious

So odgonetnuti trag suggests there is a clue that needs to be interpreted or cracked.

Odgonetnuti is perfective.

That means it focuses on the action as completed: not just trying to figure it out, but actually reaching the solution.

In this sentence, that makes sense because the idea is:

• We must solve/figure out this clue successfully.

The imperfective partner is odgonetati or more commonly people may use another verb depending on context, but odgonetnuti is the normal form when talking about successfully cracking a clue.

Because trag is the direct object of odgonetnuti, so it is in the accusative case.

Here is the important detail:

• trag is masculine singular inanimate
• for masculine inanimate nouns, the accusative singular looks the same as the nominative singular

So:

• nominative: zadnji trag
• accusative: zadnji trag

They look identical, even though the case is different in function.

If it were a masculine animate noun, the accusative would look different.

Here zadnji means last or final.

In many situations, zadnji and posljednji can both mean last:

• zadnji trag = last clue
• posljednji trag = last clue

However, learners should know this nuance:

• posljednji is often considered a bit more neutral or formal for final / last in sequence
• zadnji is very common in everyday speech and can also mean the one at the back

In this sentence, zadnji trag sounds completely natural.

Yes — trag has a broader meaning than just clue.

It can mean:

• trace
• track
• trail
• sign
• clue

In a mystery, puzzle, or treasure-hunt context, trag naturally means clue.

So depending on context, trag might refer to:

• a physical track or footprint
• a sign that something happened
• a clue that helps solve something

Yes, in many contexts that would sound very natural in English.

Literally, moramo is we must / we have to, but English often softens that to:

• We need to figure out the last clue.

So depending on tone, all of these can work:

• We must figure out the last clue.
• We have to figure out the last clue.
• We need to figure out the last clue.

The Croatian sentence itself most directly expresses necessity.

Yes, Croatian word order is more flexible than English, because case endings and verb forms carry a lot of grammatical information.

The neutral order here is:

• Moramo odgonetnuti zadnji trag.

But other orders are possible for emphasis, for example:

• Zadnji trag moramo odgonetnuti.
  Emphasis on the last clue
• Odgonetnuti moramo zadnji trag.
  Less neutral, more stylistically marked

Even though different orders are possible, the original version is the most straightforward and natural.

Because Croatian has no articles like English a/an/the.

So zadnji trag can mean:

• a last clue
• the last clue

The exact meaning depends on context.

In this sentence, the context clearly makes it the last clue, even though there is no separate word for the.

A rough English-friendly guide would be:

od-go-NET-noo-tee

Breaking it down:

• od
• go
• net
• nu
• ti

A few pronunciation tips:

• g is always a hard g, like in go
• e is a clear eh
• u is like oo in food
• ti is usually pronounced more cleanly than in English, not heavily reduced

Croatian spelling is quite phonetic, so once you know the sounds, pronunciation is usually predictable.

In standard Croatian, the normal and preferred structure is:

• Moramo odgonetnuti zadnji trag.

That is, morati + infinitive.

Using da + present tense after morati is not standard Croatian in the same way; it is more associated with other South Slavic patterns or with nonstandard speech.

So for a learner of Croatian, you should stick with:

• moramo odgonetnuti

not:

• moramo da odgonetnemo

No. This sentence means We must figure out the last clue, not We are figuring out the last clue.

If you want to express an ongoing action, you would need a different structure, for example:

• Odgonetavamo zadnji trag. = We are figuring out the last clue.
• Pokušavamo odgonetnuti zadnji trag. = We are trying to figure out the last clue.

So moramo odgonetnuti expresses necessity, not an action currently in progress.