v.敲，敲打；相碰，碰撞；把……撞击成（某种状态）；敲动，打破；打，凿（洞）（knock的现在分词）
n.爆震音；卡答卡答的故障声音；敲的声音
nocking───n.帆的前部上端；箭尾端搭弦处；vt.作凹痕于；将弦搭上；n.(Nock)人名；(英、德)诺克
enlocking───发狂
inlocking───内锁
uncocking───散开干草堆
undocking───n.出坞；驶离码头；v.使（航天器）分离；出坞；（使）驶离码头（undock的现在分词）
unlocking───n.开锁；开放；adj.开锁的；v.开锁（unlock的ing形式）
-ocking───锁定
blocking───n.阻塞；封闭；大块；v.阻塞（block的ing形式）
bocking───n.一杯啤酒；烈性黑啤酒；n.(Bock)人名；(英、德、西、葡、罗、捷、瑞典、匈)博克；(东南亚国家华语)木
Somebody was knocking on the window.───有人在敲窗户。
He marched into the kitchen without knocking.───他没敲门就快步走进了厨房。
He burst into the room without knocking.───他没敲门就闯进了屋子。
It really is knocking you back down, and it will continue to do so until you stop trying to get ahead like a cancer cell would.───它真的是压倒你，并且它将会持续地做，直到你停止像癌症细胞那样再生长。
I sort of assumed a career would come knocking at my door.───我好像是在等机会自动出现。
But Van Gaal opened his arms invitingly and the little Frenchman jumped on top of him, nearly knocking him over in the process.───但是，范加尔张开了双臂，小个子法国人蹿到他身上，险些把他撞倒。
Without warning, he leaped onto her like a monkey, knocking her over, kicking, clawing and biting, grabbing for her eyes.───他突然像猴子一样朝她扑来，撞倒她，踢她，抓她，咬她，挖她眼睛。
I jumped up, rushed down the hall to intensive care and began knocking on the door. "Let me in to see him, " I begged.───我立马起来，匆忙跑过大厅，奔向特别护理室，边敲门边哀求：“让我进去看他。”
We wait to hear "opportunity knocking, " or "my turn. " Of course, none of these ideas encourage us to take action to make things happen.───或许没有比这个比喻更消极的了：如果我们总是等待救生筏，等待时机的到来，等待机遇来敲门……当然，也就不会主动采取行动了。
I could hear knocking(sentencedict .com), as if someone wanted out.
He entered without knocking at the door.
I spent the weekend just knocking about the house.
You can't just waltz into my bedroom without knocking - it's private!
She barged in on our meeting without knocking.
My knees were knocking .
He thumped my shoulder affectionately, nearly knocking me over.
Happiness is always knocking on your door and you just gotta let it in.
I could hear knocking, as if someone wanted out.