This is the 49th most frequent Portuguese word.
trabalho
Work; job; labor.
In this context, 'trabalho' refers to a specific piece or product resulting from creative or professional effort.
O artista apresentou um trabalho impressionante na exposição.
The artist presented an impressive piece of work at the exhibition.
In this sentence, 'trabalho' means 'work' referring to tasks or duties one needs to complete.
Eu tenho muito trabalho para fazer hoje.
I have a lot of work to do today.
Here, 'trabalho' denotes 'work' as the profession or field of activity of a person.