A minha sobrinha adora o baloiço no parque infantil.

In European Portuguese, it is very common to use the definite article before a possessive: a minha sobrinha, o meu irmão, a nossa casa.

So a minha sobrinha is the most natural standard phrasing in Portugal.

You may sometimes see or hear the article omitted in certain contexts, but for a learner of European Portuguese, using the article is a very good habit.

Adora is the 3rd person singular form of the verb adorar in the present tense.

The subject is a minha sobrinha, which means she / my niece, so the verb must match that subject:

• eu adoro = I adore
• tu adoras = you adore
• ele/ela adora = he/she adores

So a minha sobrinha adora is the correct agreement.

It can mean both, depending on context.

In everyday speech, adorar is often used a bit more loosely, like to love or to really like. In this sentence, it sounds very natural and idiomatic to say a child adora o baloiço.

If you wanted a weaker idea, you could say:

• A minha sobrinha gosta do baloiço. = My niece likes the swing.

So adora is stronger and more enthusiastic than gosta.

Baloiço is a masculine singular noun, so it takes the masculine singular definite article o.

• o baloiço
• o parque

In Portuguese, nouns have grammatical gender, so you need to learn each noun together with its article when possible.

A useful habit is to memorize words as chunks:

• o baloiço
• a sobrinha
• o parque infantil

Yes. Baloiço is the normal European Portuguese word for swing.

This is a good example of a vocabulary difference between European and Brazilian Portuguese. In Brazil, balanço may be used in this sense, while in Portugal baloiço is the usual word.

So if your focus is Portuguese from Portugal, baloiço is the word you want.

Because no is a contraction of em + o:

• em + o = no
• em + a = na
• em + os = nos
• em + as = nas

So:

• no parque infantil = in the playground

These contractions are required in normal Portuguese.

Parque infantil specifically means a children’s playground or play park.

A plain parque is usually just a park in general. By adding infantil, Portuguese makes it clear that this is the area for children, with things like swings and slides.

This is a very common expression in Portugal.

In Portuguese, adjectives often come after the noun, unlike in English.

So:

• parque infantil = children’s playground
• literally something like park infantil/for children

Not every adjective always goes after the noun, but after the noun is the default position in many cases.

So parque infantil is completely normal word order.

Both words contain nh, which is a very important Portuguese sound.

nh is pronounced like the ny sound in canyon or the ñ in Spanish niño.

So:

• minha sounds roughly like MI-nya
• sobrinha sounds roughly like so-BREE-nya

The exact European Portuguese pronunciation is more reduced and less fully pronounced than these English approximations, but ny is the key idea to remember.

A few useful points:

• oi is a diphthong, so it glides together.
• ç is pronounced like s.
• The final o in European Portuguese is often reduced, sounding closer to u than a clear English oh.

So baloiço is roughly like ba-LOY-su in European Portuguese.

The important spelling point is that ç is used before a, o, and u to keep the s sound.

Because different verbs take different patterns.

Adorar takes a direct object:

• adorar o baloiço
• adorar chocolate

But gostar normally takes de:

• gostar do baloiço
• gostar de chocolate

So:

• A minha sobrinha adora o baloiço.
• A minha sobrinha gosta do baloiço.

Both are correct, but the grammar is different because the verbs work differently.

Yes. Portuguese word order is flexible, although the original version is the most neutral.

For example:

• No parque infantil, a minha sobrinha adora o baloiço.

This puts more focus on no parque infantil.

But the basic sentence:

• A minha sobrinha adora o baloiço no parque infantil.

is the most straightforward and natural way to say it.

In normal usage, it will usually be understood as identifying the swing: the swing in the playground.

So the sentence naturally suggests:

• my niece loves the swing that is in the playground

Context could sometimes make it feel more like the location of the action, but in this sentence most people will naturally interpret no parque infantil as tied to o baloiço.

If you wanted to make the location of the action clearer, you could say something like:

• No parque infantil, a minha sobrinha adora andar de baloiço.

That more clearly means At the playground, my niece loves going on the swing.