knick-knack (also nick-nack)

n (esp pl 尤作复数) (sometimes derog 有时作贬义) small ornamental article, usu of little value 小饰物; 小玩意儿.

knackered, knapsack, knave, knavery, knavish, knavishly, knead, knee, knee-breeches, knee-deep, knee-high, knee-jerk, knee-length, kneecap, kneecapping, kneel, kneel down, knees-up, knell, knew, knickerbockers, knickers, knife, knife-edge, knight, knight errant (pl knights errant), knighthood, knightly, knit, knitter, knitting, knitting-machine, knitting-needle, knitwear, knob, knobbly, knock, knock (sth) on, knock down, knock off,