to surprise you
This seems to surprise you.
C'est difficile de te surprendre.
It's hard to surprise you.
Je n'ai pas eu l'intention de te surprendre.
I didn’t mean to surprise you.
I thought I’d surprise you.
Tout sournois que tu sois, tu ne peux jamais te surprendre toi-même.
However sneaky you are, you can never surprise yourself.
Je n'avais pas l'intention de te surprendre.
I didn't mean to surprise you.
The answer will surprise you.
La réponse pourrait te surprendre.
The answer might surprise you.
I wanted to surprise you.