Question 1

What is the function and meaning of esse in this sentence? Could I use este or aquele instead?

Accepted Answer

Esse is a demonstrative adjective that points to something near the listener or something already mentioned.  
- Este treino would imply the training is close to the speaker or about to start now.  
- Aquele treino would refer to a training session farther away in time or space (e.g. a past or very distant event).  
So you choose este, esse or aquele based on how close or familiar the training is to speaker/listener.

Question 2

Why is the pronoun placed after the verb as deixa-me instead of before it as me deixa?

Accepted Answer

Portuguese has rules for clitic pronoun placement:  
- After a pause (comma) or at the very start of a clause, European Portuguese prefers enclisis (verb + pronoun): deixa-me.  
- Proclisis (pronoun + verb) like me deixa often appears when there’s a negative word, question word, or certain conjunctions requiring it.  
Here, the comma before mas creates a “new clause,” so enclisis is the norm.

Question 3

Could I say me deixa cheio de energia instead of deixa-me cheio de energia? Would it sound wrong?

Accepted Answer

You can say me deixa cheio de energia, and native speakers will understand you perfectly.  
- In European Portuguese, deixa-me is more formal/standard after punctuation.  
- Colloquially (and especially in Brazilian Portuguese), me deixa is very common.  
Neither is “wrong,” but choose enclisis for a more European-Portuguese feel.

Question 4

What does cheio de energia literally mean, and are there other ways to express it?

Accepted Answer

Cheio de energia literally means “full of energy.”  
Alternatives include:  
- Repleto de energia (a bit more formal)  
- Com muita energia (with lots of energy)  
- Super energizado (informal, “super energized”)  
They all convey that you feel very energetic after the training.

Question 5

What part of speech is curto, and can it change form?

Accepted Answer

Curto is a masculine singular adjective meaning “short.”  
- Feminine form: curta (e.g. essa sessão é curta)  
- Plural forms: curtos (masc.) / curtas (fem.)  
It agrees in gender and number with the noun it modifies.

Question 6

Why don’t we use an article before treino, like o treino é curto?

Accepted Answer

You can say O treino é curto, mas… with a definite article; it simply feels more “introduced” or generic.  
Using Esse treino already contains a demonstrative plus noun, so adding o would be redundant. If you wanted “a certain short training,” you could say Um treino é curto…, but that changes the meaning.

Question 7

Is there anything special about using mas here instead of another conjunction?

Accepted Answer

Mas is the standard coordinating conjunction for “but” and contrasts two statements.  
- You could also use porém or no entanto for a more formal tone:  
  “Esse treino é curto; porém, deixa-me cheio de energia.”  
But mas is the most common and natural in everyday speech.

Esse treino é curto, mas deixa-me cheio de energia.

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