Aprendi muito com o mestre.

Aprendi is the simple past form of aprender (to learn) in first person singular: I learned.

So:

• aprendi = I learned

In Brazilian Portuguese, this tense is often used for a completed action in the past.

Examples:

• Aprendi português. = I learned Portuguese.
• Aprendi muito ontem. = I learned a lot yesterday.

Portuguese often leaves out the subject pronoun when the verb form already makes the subject clear.

• Aprendi already tells us the subject is I
• So Eu aprendi muito com o mestre and Aprendi muito com o mestre both mean I learned a lot from the master/teacher

Including eu is possible, but it is usually only added for:

• emphasis
• contrast
• clarity

For example:

• Eu aprendi, mas ele não. = I learned, but he didn’t.

Here, muito means a lot.

In this sentence, it is acting like an adverb, modifying aprendi:

• Aprendi muito = I learned a lot

Be careful: muito can also mean much/many, depending on the sentence.

Compare:

• Aprendi muito. = I learned a lot.
• Tenho muitos livros. = I have many books.

So in your sentence, muito is not describing a noun; it is describing how much learning happened.

Com usually means with, but in sentences like this it can also be understood as from, depending on the context.

• Aprendi muito com o mestre.
• Literally: I learned a lot with the master
• Natural English meaning: I learned a lot from the master

Portuguese often uses com where English prefers from in learning situations.

Other examples:

• Aprendi muito com minha mãe. = I learned a lot from my mother.
• Aprendemos com os erros. = We learn from mistakes.

O mestre literally means the master, but the best translation depends on context.

In Brazilian Portuguese, mestre can refer to:

• a master of a skill or craft
• a respected teacher
• a mentor
• in some contexts, a formal title
• in games like RPGs, game master

So the sentence could suggest someone learned from:

• a highly skilled teacher
• a mentor
• a respected expert

In everyday conversation, professor is more common for a regular school teacher.

Portuguese uses definite articles much more often than English.

• o = the
• o mestre = the master / the teacher

Even when English might say just Master or sometimes no article at all, Portuguese often keeps the article.

This is very normal in Portuguese:

• o professor
• a médica
• o João in some regional speech

So com o mestre is completely natural.

Yes, absolutely.

Both are correct:

• Aprendi muito com o mestre.
• Eu aprendi muito com o mestre.

The version without eu sounds very natural because Portuguese often drops subject pronouns.

The version with eu may sound:

• slightly more explicit
• more emphatic
• useful if you are contrasting speakers

Example:

• Eu aprendi muito com o mestre, mas meus colegas não.
• I learned a lot from the master, but my classmates didn’t.

The normal word order here is:

• Aprendi = verb
• muito = adverb
• com o mestre = prepositional phrase

So:

• Aprendi muito com o mestre.

This is the most natural neutral order.

Some changes are possible, but they may sound more marked or literary:

• Com o mestre, aprendi muito. = With/from the master, I learned a lot.
• Muito aprendi com o mestre. = possible, but more poetic or emphatic

For a learner, the original order is the safest and most natural.

A rough pronunciation guide for English speakers is:

• aprendi ≈ ah-PREN-jee or ah-PREN-djee
• muito ≈ MWEEN-too or MOON-too, depending on region and speed
• com o ≈ koh-mo or sometimes more smoothly connected
• mestre ≈ MES-tree or MES-chee in some Brazilian pronunciations

A few useful notes:

• The d in aprendi can sound like j in many Brazilian accents before i
• muito varies a lot by region
• The e at the end of mestre is usually pronounced, unlike in English

A natural Brazilian rhythm would connect the words smoothly:

• Aprendi muito com o mestre

Yes, but the meaning changes slightly.

• professor = teacher, especially in school or academic settings
• mestre = master, mentor, highly respected expert, or someone with deep skill

Compare:

• Aprendi muito com o professor. = I learned a lot from the teacher/professor.
• Aprendi muito com o mestre. = I learned a lot from the master/mentor.

So mestre often sounds more elevated, respectful, or specialized.

In Portuguese, nouns often need an article where English might not use one.

So:

• com o mestre = with/from the master
• not usually com mestre

Leaving out the article can sound unnatural unless there is a special reason, such as:

• a headline
• a poetic style
• certain fixed expressions

In normal speech, com o mestre is the expected form.

It is basically neutral, but mestre gives it a slightly more elevated or respectful tone.

The sentence does not sound slangy or overly formal. Its tone depends mostly on mestre:

• with professor, it would sound more everyday
• with mestre, it can sound more respectful, artistic, or thoughtful

So the grammar is neutral, while the noun choice adds tone.

Yes.

Aprender in Portuguese, like to learn in English, can refer to:

• academic learning
• practical skills
• wisdom
• personal lessons

So Aprendi muito com o mestre could mean:

• I learned a lot in class
• I learned a lot from his example
• I gained wisdom from him
• I developed skills under his guidance

The exact meaning depends on context.