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

1.
分身乏術, 精力分散
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.
她試圖同時管理三個項目,所以她真的分身乏術。
•
I had to quit one of my volunteer jobs because I was spreading myself too thin.
我不得不辭去一份志願工作,因為我分身乏術。