Spread (something or oneself) too thin American British verb phrase
To spend too much energy or resources to do many things at the same time
Having entered the market, this business spread itself too thin from the manufacturing stage to the selling stage.
I admitted that I'd been spreading myself too thin so I decided to separate the project into small parts and assigned them for each member.
Since I went for tertiary education, I could not balance my life because I spread a bit too thin among activities in school, work, and volunteering.
The verb "spread" should be conjugated according to its tense.