One night there were some people who serenaded us in front of the house, [they were] able to be noticed by us, but the window
was not opened by us, [we] pretended [that they] did not happen to be noticed by us.
One night there were some guys who serenaded us in front of the house, we could tell they were there alright, but we didn't
open the window, pretending that we didn't know they were there.