n. 25B6; noun
a knack for making money 007C; it takes practice to acquire the knack : GIFT, talent, flair, genius, instinct, faculty, ability, capability, capacity, aptitude, aptness, bent, forte, facility; TECHNIQUE, method, trick, skill, art, expertise; informal the hang of something.
he has a knack of getting injured at the wrong time : TENDENCY, propensity, habit, proneness, liability, predisposition.