a small object of little worth that is used for decoration in a house synonym ornament(房子里的)小装饰物,小摆设 a collection of knick-knacks 一批小玩意 There were no photographs, no knick-knacks: just a simple table and chairs. 没有照片,没有小摆设: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.