to lose ourselves, to get lost
Creo que vamos a perdernos el Hullabaloo después de todo.
I think we're going to miss the Hullabaloo after all.
— Moonrise Kingdom (2012)
Somos demasiado pequeños para perdernos.
We are too small to get lost.
— El tambor de hojalata (1979)
Lo que nos faltaba, perdernos esa cena.
The last thing we needed was to miss that dinner.
— State and Main (2000)
Escuchamos atentamente para no perdernos ni una palabra.
We listened carefully so as not to miss a single word.