La meva germana vol comprar un bitllet a l'estació.

In Catalan, possessives are usually used together with a definite article:

• la meva germana = my sister
• el meu germà = my brother

This is different from English, where you normally say just my sister without the.

So:

• la meva germana literally looks like the my sister, but it simply means my sister in normal Catalan.

There are some exceptions in vocatives and a few fixed expressions, but for a learner, the safest pattern is:

• el meu / la meva / els meus / les meves

The possessive has to agree with the noun it describes.

Here, germana is:

• singular
• feminine

So the correct form is meva.

Compare:

• el meu germà = my brother
• la meva germana = my sister
• els meus germans = my brothers / my siblings
• les meves germanes = my sisters

Vol comprar means wants to buy.

It is made up of:

• vol = wants (from the verb voler, to want)
• comprar = to buy

This is a very common Catalan structure:

• conjugated verb + infinitive

Examples:

• Vull menjar = I want to eat
• Vol estudiar = He/She wants to study
• Volem sortir = We want to go out

So La meva germana vol comprar... = My sister wants to buy...

Because Catalan does not use a separate word like English to in this structure.

In Catalan, after verbs like voler (to want), the next verb simply stays in the infinitive:

• vol comprar = wants to buy
• vol marxar = wants to leave
• vol dormir = wants to sleep

So the English to is built into the infinitive idea, but Catalan does not need an extra word there.

Bitllet often means ticket, especially for travel:

• un bitllet de tren = a train ticket
• un bitllet d'avió = a plane ticket

It can also mean banknote in some contexts:

• un bitllet de deu euros = a ten-euro note

So the exact meaning depends on context. In this sentence, because of a l'estació (at/to the station), bitllet clearly means a travel ticket.

Un is the indefinite article, meaning a or an.

So:

• un bitllet = a ticket

Catalan usually uses the article here just as English does:

• compra un bitllet = buys a ticket

If you removed un, it would sound incomplete in most normal contexts.

It can depend on context, because a in Catalan can correspond to English at or to.

In this sentence, a l'estació most naturally means at the station if it tells you where she wants to buy the ticket.

So the sentence is usually understood as:

• My sister wants to buy a ticket at the station.

However, Catalan a is broader than English at, and context matters a lot.

This is because of elision.

The feminine singular article la becomes l' before a vowel or mute h:

• la casa = the house
• l'estació = the station
• l'escola = the school

So:

• a + l'estació = a l'estació

This is very common in Catalan and helps pronunciation flow more smoothly.

Actually, this sentence is quite close to English word order:

• La meva germana = My sister
• vol comprar = wants to buy
• un bitllet = a ticket
• a l'estació = at the station

So the overall structure is:

subject + verb + infinitive + object + place

This is very natural in Catalan. A learner may notice that Catalan often resembles English in basic sentence order, even though the details—like articles and possessives—are different.

Bitllet can be tricky because of the ll.

A rough learner-friendly pronunciation is something like:

• bee-TLYET or bit-YET, depending on accent

Important points:

• ll in Catalan is often like a palatal sound, somewhat similar to the lli sound in some pronunciations of Spanish ll
• the final t is usually not strongly pronounced in connected speech

Pronunciation varies by dialect, but the key is that ll is not like ordinary English l in many accents.

Yes. Estació is a cognate of English station, so they come from the same historical source and are easy to connect in meaning.

But be careful:

• estació can also mean season in Catalan, depending on context

Examples:

• l'estació de tren = the train station
• l'estació de l'any = the season of the year

In your sentence, a l'estació clearly means at the station.

Vol is the third-person singular present tense of voler (to want).

So:

• jo vull = I want
• tu vols = you want
• ell/ella vol = he/she wants

Since la meva germana is she, the sentence uses vol.

In some varieties or contexts, tiquet exists, often influenced by other languages, but bitllet is the standard and most natural word for a travel ticket.

So for a learner, un bitllet is the best choice here.

If you are talking about things like receipts or numbered service slips, different words may be used depending on the region and situation. But for a ticket at the station, bitllet is exactly the right word.