Prietenii urmează marcajul turistic cu lanterna frontală.

Because prietenii is the definite plural form: the friends.

• prieten = friend
• prieteni = friends
• prietenii = the friends

In Romanian, the definite article is usually attached to the end of the noun, not written as a separate word like the in English. Here, one i belongs to the plural form, and the other helps mark definiteness.

In the present tense, many Romanian verbs use the same form for 3rd person singular and 3rd person plural.

So both of these are correct:

• El urmează = he/she follows
• Ei urmează = they follow

You know whether it is singular or plural from the subject:

• Prietenul urmează = the friend follows
• Prietenii urmează = the friends follow

No. A urma has several common meanings, and that often confuses learners.

In this sentence, urmează means follow.

But it can also mean things like:

• come next
• be about to
• result from

For example:

• Cine urmează? = Who is next?
• Urmează să plece. = He/She is about to leave.

So this is a good word to learn from context, because its meaning changes depending on the sentence.

Romanian usually puts the noun first and the adjective after it.

So:

• marcaj turistic = tourist/hiking marking
• marcajul turistic = the tourist/hiking marking

Also, when the adjective comes after the noun, the definite article is usually attached to the noun, not the adjective.

So the normal pattern is:

• om bun = good person
• omul bun = the good person

That is why marcajul turistic is the natural order here.

In this kind of context, marcaj turistic usually refers to a trail marker, hiking route marking, or trail blaze used on mountain or forest paths.

So it is not necessarily a single physical signpost. It can mean the marked route signs that hikers follow.

A very natural English understanding in context would be something like:

• the trail marker
• the hiking trail marking
• the trail blaze

Because marcajul turistic is a direct object, but it is inanimate.

Romanian often uses pe before specific animate direct objects, especially people.

For example:

• Văd omul. = I see the man.
• Îl văd pe om. = I see the man.

But with inanimate things, pe is normally not used:

• urmez marcajul = I follow the marker
• not urmez pe marcajul

So its absence here is completely normal.

Here cu means with, in the sense of using something as an instrument.

So cu lanterna frontală means:

• with the headlamp
• using the headlamp

This is a very common use of cu in Romanian:

• scriu cu un creion = I write with a pencil
• taie cu cuțitul = he/she cuts with the knife

So in this sentence, the friends are following the trail marking by using a headlamp.

Again, Romanian usually places the adjective after the noun.

• lanternă frontală = headlamp / frontal lamp
• lanterna frontală = the headlamp

Also, frontală is in the feminine singular form because lanternă is a feminine noun.

So the adjective must agree with the noun:

• lanternă frontală = feminine singular
• lanterne frontale = feminine plural

Literally, yes, it is something like the frontal lamp/flashlight, but in normal English the best equivalent is usually the headlamp or the head torch.

Romanian often uses combinations that are more transparent word-for-word than the most natural English equivalent.

So learners should understand both levels:

• literal structure: lanternă
  • frontală
• natural English meaning: headlamp

In theory, Romanian allows a little ambiguity here, just as English does with phrases like with the headlamp.

But the most natural reading is that it goes with the action urmează:

• the friends follow the trail marking using the headlamp

It is much less likely to mean that the trail marking itself somehow has a headlamp. Context would normally make the intended meaning obvious.

Not completely. Romanian word order is fairly flexible, although this version sounds neutral and natural.

The sentence as given:

• Prietenii urmează marcajul turistic cu lanterna frontală.

You could also move parts around for emphasis, for example:

• Cu lanterna frontală, prietenii urmează marcajul turistic.

That puts more emphasis on with the headlamp. But the original order is probably the most straightforward version for a learner.