Learn Hardcore Portuguese (Portugal): Na quinta-feira costumo usar roupa mais casual, pois o dia costuma ser menos formal. - On Thursdays I usually wear more casual clothes, because the day tends to be less formal.

It translates to "on Thursday". In Portuguese (Portugal), the phrase is used to indicate that something happens on Thursday, much like in English.

What does "costumo" indicate in this sentence?

"Costumo" comes from the verb "costumar", meaning "to usually do something" or "to tend to". In this sentence, it tells us that the speaker has a habitual practice—wearing more casual clothing on Thursdays.

How is the phrase "roupa mais casual" translated, and what does it imply?

"Roupa" means "clothes" or "clothing", and "mais casual" translates to "more casual". Together, the phrase suggests that the speaker opts for a more informal clothing style on Thursdays compared to other, perhaps more formal days.

What role does "pois" play in this sentence?

"Pois" is a conjunction that means "because" or "since". It links the two parts of the sentence by providing the reason for the speaker's choice: since the day is generally less formal, they choose to wear casual clothes.

How are the comparatives "mais" and "menos" used in this sentence?

"Mais" (more) and "menos" (less) are used here to express degrees of formality. "Mais casual" indicates that the clothing is more informal, while "menos formal" describes the day as less formal. This comparative structure helps clarify why casual attire is appropriate on that specific day.