spread yourself too thin
US /sprɛd jərˈsɛlf tu θɪn/
UK /sprɛd jərˈsɛlf tu θɪn/

1.
s'éparpiller trop, se disperser
to be involved in too many activities, so that you cannot give enough attention to any of them
:
•
She's trying to manage three projects at once, so she's really spreading herself too thin.
Elle essaie de gérer trois projets à la fois, donc elle s'éparpille trop.
•
I had to quit one of my volunteer jobs because I was spreading myself too thin.
J'ai dû quitter l'un de mes emplois bénévoles parce que je m'éparpillais trop.