A mancha de café não saiu, então vou enxaguar a blusa de novo e torcer devagar.

A is the feminine singular definite article, equivalent to the in English.

• a mancha = the stain
• a blusa = the blouse/shirt top

Both mancha and blusa are feminine nouns in Portuguese, so they take a.

If the noun were masculine, you would usually use o:

• o café = the coffee
• o casaco = the coat

De café means of coffee or more naturally coffee stain.

In Portuguese, noun + de + noun is a very common way to express this kind of relationship:

• mancha de café = coffee stain
• xícara de chá = cup of tea
• suco de laranja = orange juice

If you said mancha do café, it would sound more like the stain from the coffee or the coffee’s stain, referring to a specific coffee already identified in context. Here, mancha de café is the normal generic expression.

Yes—sair usually means to go out, to leave, or to come out. But in Brazilian Portuguese, it is also very commonly used for stains, dirt, or marks coming out of fabric or surfaces.

So:

• A mancha não saiu = The stain didn’t come out
• A sujeira saiu = The dirt came off / came out

This is a very natural way to talk about cleaning in Portuguese.

Because sair does not need a reflexive pronoun here.

The subject is a mancha:

• A mancha saiu = The stain came out
• A mancha não saiu = The stain didn’t come out

In English, we often say I got the stain out, focusing on the person doing the action. Portuguese can instead focus on the stain itself: the stain came out or didn’t come out.

So this structure is perfectly normal and idiomatic.

Saiu is the third-person singular preterite of sair.

It refers to a completed past event:

• sair = to come out / to leave
• saiu = came out / went out

Here:

• A mancha de café não saiu = The coffee stain didn’t come out

The speaker is talking about the result of a washing attempt that already happened.

Então means so, then, or therefore, depending on context.

In this sentence, it connects the two ideas:

• A mancha de café não saiu = The coffee stain didn’t come out
• então vou enxaguar... = so I’m going to rinse...

It shows consequence: The stain didn’t come out, so I’m going to rinse the blouse again and wring it gently.

This is the very common ir + infinitive future structure in Portuguese:

• vou = I go / I am going
• enxaguar = to rinse

Together:

• vou enxaguar = I’m going to rinse

This is one of the most common ways to talk about the near future in everyday Brazilian Portuguese.

Examples:

• Vou lavar a roupa. = I’m going to wash the clothes.
• Vou sair agora. = I’m going to leave now.

They are related, but not the same.

• lavar = to wash
• enxaguar = to rinse

So:

• lavar a blusa = wash the blouse
• enxaguar a blusa = rinse the blouse

Enxaguar usually means rinsing with clean water, often after washing with soap or detergent.

Not always. Blusa can mean blouse, but in Brazilian Portuguese it can also refer more generally to a type of upper-body clothing, depending on region and context.

Possible translations include:

• blouse
• shirt top
• sometimes even a light sweater/top

In this sentence, blouse is a reasonable translation, but the exact clothing item depends on context.

Both can mean again, but de novo is much more common in everyday speech.

• de novo = again
• novamente = again, more formal or more written-sounding in many contexts

So:

• vou enxaguar a blusa de novo = I’m going to rinse the blouse again

This sounds natural and conversational.

Great question—torcer has more than one meaning.

Here, torcer means to wring or to twist, as you do with wet clothes to remove water.

So:

• torcer a blusa = to wring the blouse

But torcer can also mean:

• to root for
  • Eu torço pelo Brasil. = I root for Brazil.

The meaning depends on context. In a laundry sentence, torcer clearly means to wring.

Because Portuguese often avoids repeating objects when the meaning is already clear from context.

The full idea is:

• vou enxaguar a blusa de novo e torcer a blusa devagar

But repeating a blusa would sound unnecessary, so it is omitted:

• vou enxaguar a blusa de novo e torcer devagar

English usually needs the object:

• rinse the blouse again and wring it gently

Portuguese often leaves it understood.

Literally, devagar means slowly.

But in context, especially with an action like wringing clothes, it can naturally imply:

• slowly
• carefully
• gently

So torcer devagar is literally to wring slowly, but a natural English translation may be to wring gently, since the idea is to do it carefully so the fabric is not damaged.

Não saiu is the standard neutral way to negate the verb:

• A mancha não saiu. = The stain didn’t come out.

You may hear saiu não in some spoken Brazilian Portuguese, but that is more colloquial and regional. For learners, não + verb is the safest and most standard pattern.

Examples:

• não sei = I don’t know
• não quero = I don’t want
• não saiu = it didn’t come out

Yes, it sounds natural and idiomatic.

A Brazilian speaker might say exactly this: A mancha de café não saiu, então vou enxaguar a blusa de novo e torcer devagar.

A few small variations are also possible, such as:

• A mancha de café não saiu, então vou lavar de novo.
• A mancha não saiu, então vou enxaguar a blusa mais uma vez.

But the original sentence is perfectly normal.

A slightly more casual version could be:

A mancha de café não saiu, então vou enxaguar a blusa de novo e torcer com cuidado.

Or even:

A mancha de café não saiu, então vou enxaguar de novo e torcer bem de leve.

These are just stylistic variations. The original sentence is already natural.