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.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!