take it from me
US /teɪk ɪt frəm mi/
UK /teɪk ɪt frəm mi/

1.
crois-moi, prends-le de ma part
used to tell someone that you are certain about something because you have experienced it or know a lot about it
:
•
Take it from me, that restaurant is not worth the money.
Crois-moi, ce restaurant ne vaut pas l'argent.
•
He's a great teacher, take it from me, I've had him for three years.
C'est un excellent professeur, crois-moi, je l'ai eu pendant trois ans.