your imagination
Je laisse ça à ton imagination.
I'll leave that to your imagination.
Ce n'est que le fruit de ton imagination.
It’s just a figment of your imagination.
Use your imagination.
Use your imagination.
Kokutô, c'est ton imagination.
Kokutô, it's your imagination.
— The Garden of Sinners, film 5 : Spirale contradictoire (2008)
Ce pourrait simplement être ton imagination.
It could just be your imagination.
C'est un simple fruit de ton imagination.
It’s simply a figment of your imagination.
It's just your imagination.