I suspected it
Tu t'en sors pas sans moi, je m'en doutais.
You can't manage without me—I knew it.
— Departures (2008)
Je sais pas comment, mais je m'en doutais.
I don't know how, but I suspected it.
— Parle avec elle (2002)
Yes, I suspected that.
Yeah, I figured as much.
I suspected as much.