An idiom meaning being so busy or having so many tasks that even having multiple bodies wouldn't be enough; used figuratively to express being stretched thin.
学園祭の準備でやることが多くて、体がいくつあっても足りない。
There are so many things to prepare for the school festival that even having multiple bodies wouldn't be enough.
一人で家事と仕事を両立させるのは大変で、まさに体がいくつあっても足りない状態だ。
Balancing housework and a job alone is tough — truly a situation where even several bodies wouldn't suffice.
新しいプロジェクトが重なって、今は体がいくつあっても足りないと思う。
With new projects piling up, I feel like even having multiple bodies wouldn't be enough right now.