He was knocked to the ground and was slightly concussed.他被击倒在地并有轻微脑震荡。The boxer was knocked out cold.这位拳击手被击倒在地不省人事。Guys were knocked down but they just kept getting back up again.小伙子们被击倒在地,但是他们总是会重新站起来。The Queenslander hit the canvas for the second time in the fight.那个昆士兰人在比赛中第二次被击倒在地。