smart, clever
A gata sabia abrir a porta sozinha, era esperta demais.
The cat knew how to open the door by herself; she was too clever.
Tom é uma criança esperta.
Tom is a smart child.
You do it yourself if you're so smart.
— Harry Potter e a Pedra Filosofal (2001)
Pensa que é esperta, Jane Dente-de-Coelho?
Think you're smart, Buck-toothed Jane?
— Kung-Fusão (2004)