steam up

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

empañarse

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

:
The bathroom mirror always steams up after a hot shower.
El espejo del baño siempre se empaña después de una ducha caliente.
The car windows started to steam up in the cold weather.
Las ventanillas del coche empezaron a empañarse con el frío.
2.

enfadarse, enojarse

to become angry or agitated

:
He started to steam up when he heard the bad news.
Empezó a enfadarse cuando escuchó las malas noticias.
Don't let him steam up, just try to calm him down.
No dejes que se enfade, solo intenta calmarlo.