steam up

US /stiːm ʌp/
UK /stiːm ʌp/
"steam up" picture
1.

embaçar, ficar embaçado

to cover with condensed water vapor, making it difficult to see through

:
The bathroom mirror always steams up after a hot shower.
O espelho do banheiro sempre embaça depois de um banho quente.
The car windows started to steam up in the cold weather.
Os vidros do carro começaram a embaçar no tempo frio.
2.

ferver, irritar-se

to become angry or agitated

:
He started to steam up when he heard the bad news.
Ele começou a ferver quando ouviu a má notícia.
Don't let him steam up, just try to calm him down.
Não o deixe ferver, apenas tente acalmá-lo.