a small object of little worth that is used for decoration in a house （房子里的）小装饰物，小摆设 a collection of knick-knacks 小玩意的集合 There were no photographs, no knick-knacks: just a simple table and chairs. 没有照片，没有小玩意：只有一张简单的桌子和椅子。
Word Originlate 16th cent. (in the sense ‘a petty trick’): reduplication of knack.