astonished, stunned
Ficaria pasmo se acontecesse.
I would be astonished if that happened.
— Jojo Rabbit (2019)
Quando ouvi, fiquei pasmo.
When I heard it, I was astonished.
Tô pasmo!
I'm amazed!
— O Castelo no Céu (1986)
Olhei para o grão-príncipe, ele estava pasmo.
I looked at the Grand Prince; he was astonished.
— Andrei Rublev (1966)
Eu estou pasmo!
I'm stunned!