it would surprise you
Sabía que te sorprendería con esta noticia.
I knew this news would surprise you.
— Kal Ho Naa Ho (2003)
Te sorprendería el número de estudiantes que acabaron los deberes.
You’d be surprised by the number of students who finished their homework.
Te sorprendería lo que puedes aprender en una semana.
You’d be surprised what you can learn in a week.
I thought you’d be surprised.
Te sorprendería el tiempo que espera la gente.
You'd be surprised how long people wait.