catch a glimpse of
US /kætʃ ə ˈɡlɪmps ʌv/
UK /kætʃ ə ˈɡlɪmps ʌv/

1.
vislumbrar, ver de relance
to see something or someone for a very short time or only partially
:
•
I managed to catch a glimpse of the celebrity as she entered the building.
Consegui vislumbrar a celebridade enquanto ela entrava no prédio.
•
We only caught a glimpse of the rare bird before it flew away.
Nós apenas vislumbramos o pássaro raro antes que ele voasse para longe.