[つぶす, tsubusu](v5s, vt) (1) to smash; to crush; (2) to shut down; (3) to thwart; to block; (4) to kill (time); (5) to waste (e.g. talents); (P)[Add to Longdo]
[のうあるたかはつめをかくす, nouarutakahatsumewokakusu](exp) (id) a wise man keeps some of his talents in reserve; one shouldn't show off; the person who knows most often says least; a skilled hawk hides its talons[Add to Longdo]