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

1.
acredite em mim, tome isso de mim
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.
Acredite em mim, aquele restaurante não vale o dinheiro.
•
He's a great teacher, take it from me, I've had him for three years.
Ele é um ótimo professor, acredite em mim, eu o tive por três anos.