hacer plan con maña

to have second intentions

hacer plan con maña(ah-sehr plahn kohn mah-nyah)

intransitive verb phrase

1. (general)

(Mexico)

a. to have second intentions

Yo no confiaría en Eduardo. Siempre hace plan con maña.

I wouldn't trust Eduardo. He always has second intentions.

b. to have ulterior motives

Me hice amigo suyo para robarle su novia. - ¡Sabía que habías hecho plan con maña!

I became his friend to steal his girlfriend. - I knew it that you had ulterior motives!