Căruciorul este în liftul de marfă.

Because Romanian usually puts the definite article at the end of the noun, not before it.

• cărucior = a stroller / a cart
• căruciorul = the stroller / the cart
• lift = elevator
• liftul = the elevator

So -ul here is the masculine/neuter singular definite article, roughly equivalent to English the.

Romanian normally uses an attached definite article instead of a separate word.

Compare:

• English: the elevator
• Romanian: liftul

This is one of the first big differences English speakers notice in Romanian. The article is not written separately; it becomes part of the noun.

În means in / inside, so it is used when something is physically inside an enclosed space.

• în lift = in the elevator
• pe lift would suggest on the elevator, which is not what is meant
• la lift usually means at the elevator, near it, not inside it

So Căruciorul este în liftul de marfă specifically places the object inside the freight elevator.

De marfă means something like for goods / freight / cargo.

In Romanian, a noun can be followed by de + noun to describe its type or purpose. So:

• lift = elevator
• lift de marfă = freight elevator / service elevator for goods
• liftul de marfă = the freight elevator

This is a very common Romanian pattern.

Romanian often uses a noun phrase with de where English might use an adjective.

English says:

• freight elevator

Romanian says more literally:

• elevator of goods
• lift de marfă

So marfă stays a noun, and de links it to lift.

In Romanian, the main noun usually comes first, and descriptive phrases like de marfă come after it.

So the natural order is:

• liftul de marfă

not:

• de marfă liftul

Think of it as:

• the elevator
  • for freight

Romanian often puts modifiers after the noun, much more than English does.

In a normal sentence like this, Romanian usually keeps the verb a fi (to be).

• Căruciorul este în liftul de marfă. = fully standard
• Căruciorul e în liftul de marfă. = also correct, more common in everyday speech

You normally would not omit the verb completely here.

Yes. E is the short, very common spoken form of este.

So both are correct:

• Căruciorul este în liftul de marfă. = slightly more formal or careful
• Căruciorul e în liftul de marfă. = very natural in conversation

Learners should recognize both.

No, lift is a borrowing, ultimately from English, and it is very common in Romanian. You may also see ascensor, which is more formal or technical.

So:

• lift = everyday, very common
• ascensor = also correct, often a bit more formal

In many real-life situations, Romanians simply say lift.

Good question. În usually takes the accusative, but with many Romanian masculine and neuter nouns, the accusative form looks the same as the nominative.

So in this sentence:

• liftul looks the same whether it is subject or object of a preposition

That means the case is there grammatically, but you often do not see a visible change.

A learner may notice case changes more clearly with other noun types, especially in different pronouns or some feminine forms.

The main ones learners notice here are:

• ă in Căruciorul and marfă: a short central vowel, similar to the a in about
• â in în: a deeper central vowel, specific to Romanian
• ț and ș do not appear in this sentence, but they are also common Romanian letters

A rough guide:

• Căruciorul ≈ kuh-roo-CHOR-ool
• în ≈ a short nasal-free central vowel; English has no exact match
• marfă ≈ MAR-fuh

The exact sounds take practice, especially ă and â.

Not always. Cărucior can refer to different wheeled things depending on context, such as a stroller, pushcart, or small trolley.

So the grammar point is the same either way:

• cărucior = an indefinite form
• căruciorul = the definite form

The exact English translation depends on the situation, but the Romanian structure stays the same.