O quadro está torto.

In this sentence, quadro most naturally means a picture, painting, or framed picture on the wall.

In European Portuguese, quadro can also mean other things depending on context, such as:

• a board (like a classroom board)
• a chart or table
• a framework
• even a medical condition in some formal contexts

But in O quadro está torto, the usual interpretation is The picture is crooked.

Portuguese has two verbs for to be: ser and estar.

Here, está is used because torto describes the picture’s current position or state: it is hanging crooked right now.

So:

• O quadro está torto = The picture is crooked / not straight
• estar is used for states, conditions, positions, and things that can change

If you used é torto, it would sound more like saying the object is inherently bent, misshapen, or crooked by nature, not just hanging unevenly.

Torto means crooked, twisted, not straight, or askew, depending on context.

In this sentence, it means the picture is not hanging straight.

It can be used in other ways too:

• A cadeira está torta. = The chair is crooked.
• O nariz ficou torto. = The nose ended up crooked.
• Escreveste torto. = You wrote crookedly / unevenly.

So torto often refers to something physically not straight or not properly aligned.

Because quadro is a masculine singular noun.

Adjectives in Portuguese usually agree with the noun they describe:

• o quadro torto = the crooked picture
• a moldura torta = the crooked frame
• os quadros tortos = the crooked pictures
• as molduras tortas = the crooked frames

So torto matches quadro in gender and number.

Because torto is an adjective, not a noun.

The structure is:

• O = the
• quadro = picture
• está = is
• torto = crooked

So literally: The picture is crooked.

Portuguese does not need another article before the adjective here.

Sometimes learners think so because in English picture and frame are closely related, but quadro usually refers to the whole item hanging on the wall, not specifically just the frame.

If you want to say frame, the more precise word is often moldura.

So:

• O quadro está torto. = The picture is crooked.
• A moldura está torta. = The frame is crooked.

That said, in real life people may still use quadro even when they are really talking about the framed object as a whole.

In European Portuguese, está is pronounced approximately like sh-TAH.

A few helpful points:

• the es- at the start often sounds like ish or sh
• the stress is on the last syllable because of the accent: -tá
• the final vowel is clear and stressed

So it is not pronounced like Spanish está, and not like a fully clear es-TA in most Portugal accents.

A rough pronunciation guide is:

u KWAH-droo sh-TAH TOR-too

But this is only approximate.

A few details:

• O often sounds close to u
• quadro is roughly KWAH-droo
• está is roughly sh-TAH
• torto in European Portuguese often sounds closer to TOR-tu than a fully open TOR-to

Natural European Portuguese pronunciation tends to reduce unstressed vowels, so it may sound more compressed than you expect from the spelling.

Yes. That is a very natural alternative.

• O quadro está torto. = The picture is crooked.
• O quadro não está direito. = The picture isn’t straight / isn’t properly aligned.

Both are common.
Torto directly says it is crooked.
Não está direito says it is not straight.

In European Portuguese, direito often means straight, upright, or properly aligned in this kind of situation.

Yes. This structure is very common:

[object] + está + torto/torta

Examples:

• A mesa está torta. = The table is crooked.
• O nariz está torto. = The nose is crooked.
• A fotografia está torta. = The photograph is crooked.
• Os quadros estão tortos. = The pictures are crooked.

Just remember to change the adjective to match the noun in gender and number.

Yes, but that is normal in Portuguese.

Portuguese often leaves out subject pronouns when the subject is already clear. In this sentence, the subject is the noun itself: O quadro.

So there is no need for a separate word like it.

English says:

• It is crooked
• or The picture is crooked

Portuguese naturally says:

• O quadro está torto

The noun itself functions as the subject.

In the plural, both the article, noun, verb, and adjective change:

• Os quadros estão tortos. = The pictures are crooked.

Breakdown:

• os = the (masculine plural)
• quadros = pictures
• estão = are
• tortos = crooked (masculine plural)

This agreement pattern is very important in Portuguese.