knock (sth) on

(in Rugby football) illegally knock (the ball) forward with the hands （英式橄榄球）违例用手向前击（球）: He accidentally knocked on (the pass from Jones). 他非故意犯规, 用手向前击了（从琼斯传来的）球.

knell, knew, knick-knack (also nick-nack), 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 down, knock off, knock off (sth), knock out, knock sb down, knock sb out, knock sb/sth over, knock sth back, knock sth in; knock sth into sth, knock sth together, knock up, knock up against, knock-down, knock-kneed, knock-on, knock-out, knock-up, knockabout, knocker, knoll,