This is the 49th most frequent Portuguese word.
trabalho
Work; job; labor.
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.
O trabalho dele como professor é muito interessante.
His work as a teacher is very interesting.
In this context, 'trabalho' refers to a specific piece or product resulting from creative or professional effort.