knockupn.[竞赛]暖身练习knockv.敲击；互撞；攻击n.敲；敲门；敲打knock one's heads togetherknock someone off his feet使某人惊慌失措,使某人惊喜得不知所措knock their heads togethervi.拿着两人的头撞(用武力制止两人争吵)knocked-down in carloads[化] 以拆卸状态装车knock-out grate conveyer[机] 清砂式输送机knock out the enemy guards干掉敌人哨兵Knock over a jewelry store抢劫一家珠宝商店knock someone off his perch杀害某人,挫败某人Knock over a gambling joint搜查赌窟knock test of gasoline test汽油爆震性试验