帯に短し襷に長し
Meanings
1
neither one thing nor the other; too short for a belt, too long for a sleeve tie
Idiomatic expression describing something that is awkwardly in-between and not quite suitable for any purpose. The literal image is of a cloth that is too short to be used as an obi sash but too long to be used as a tasuki cord.
This proposal is neither one thing nor the other, so we're unsure whether to adopt it.
His background is too short for a belt and too long for a sleeve tie—it doesn't quite fit any department.