1. A day characterized by difficulties, challenges, or problems that affect a specific person
It seems like a complicated day for you, would you like to talk about it?
Parece um dia complicado para você, quer conversar sobre isso?
2. A day filled with stressful or challenging situations that make tasks harder to accomplish
You look tired; has it been a complicated day for you?
Você parece cansado; foi um dia complicado para você?