you scheme, you plot
Je sais ce que tu manigances.
I know what you're up to.
Qu'est-ce que tu manigances ?
What are you up to?
— Les Diaboliques (1955)
On sait ce que tu manigances.
We know what you're up to.
Je ne sais pas ce que tu manigances.
I don't know what you're up to.
— Crime 101 (2026)
Et je sais aussi ce que tu manigances.
And I know what you're up to too.
Que manigances-tu ?
What are you plotting?
Tu manigances encore quelque chose, non ?
You're up to something again, aren't you?
— Tesis (1996)