Beats me why she's always late.
beats me
idiomI don't know; I have no idea.
Origin
disputed originA shortening of it beats me
When they asked who broke the window, I shrugged and said, 'Beats me.'
Confronted with the obscure historical reference, even the professor admitted, 'Beats me,' and suggested we look it up together.
Last updated April 17, 2026