tricky
US /ˈtrɪk.i/
UK /ˈtrɪk.i/

1.
complicado, difícil
difficult to deal with or do
:
•
This is a tricky problem to solve.
Este é um problema complicado de resolver.
•
The interview questions were quite tricky.
As perguntas da entrevista eram bastante complicadas.
2.