if I were you
US /ɪf aɪ wɜr juː/
UK /ɪf aɪ wɜr juː/

1.
si j'étais toi
used to give advice or to suggest what you would do in the same situation
:
•
If I were you, I'd take that job offer.
Si j'étais toi, j'accepterais cette offre d'emploi.
•
If I were you, I wouldn't worry too much about it.
Si j'étais toi, je ne m'en ferais pas trop.