第三人稱單數(shù)：knocks第三人稱復數(shù)：knocks現(xiàn)在分詞：knocking過去分詞：knocked過去式：knocked
knock基本解釋
knock
名詞短促的敲打（聲）; 爆震聲; 敲擊聲; 敲門（或窗等）聲
不及物動詞猛烈敲擊; 與某物相撞; 撞到了桌子
及物動詞（心）怦怦跳; 把…撞擊成（某種狀態(tài)）; 批評
knock相關詞組
1. knock about : 接連打擊(指拳擊), (浪等)反復沖擊(船只), (物等)碰撞, 粗暴對待(=knock around), [口]到處流...；
2. knock together : 相撞；
3. knock oneself out : 把自己弄得精疲力竭, 盡最大努力；
4. knock out : 敲空, 擊倒, 打破, 使筋疲力竭；
5. knock over : 打翻, 搜查, 吃掉；
6. get the knock : v. 喝醉, 被解雇；
7. knock up against : 碰撞；
8. knock back : 回擊, 震驚；
9. knock it off : 停止；
knock的解釋
knock相關例句
及物動詞
1. What knocks me is his impudence.
他的厚顏無恥使我感到吃驚。
2. knock在線翻譯
2. I knocked over the glass and spit the water.
我打翻了杯子，水灑了。
不及物動詞
1. His legs knocked against the chair.
他的兩條腿撞到了椅子。
名詞
1. When I fell I got a terrible knock on the head.
我摔倒時頭撞得很厲害。
knock情景對話
Tootacke-(牙痛)
A：Oh!!! I have a horrible toothache.
哦，我的牙痛死了。
B：You should go to the dentist.
你該去看看牙醫(yī)。
A：I hate dentists.
我討厭看牙醫(yī)。
knock的近義詞
B：Well, suffer then. If you have a toothache, you have to go to the dentist.
那么，你就忍著吧。如果你牙痛，你應該去看牙醫(yī)的。
A：It always hurts. I hate going.
它老是痛個不停，我討厭去（看牙醫(yī)）。
knock是什么意思
B：Stop being such a baby. If it really hurts that much, just let them knock you out.
別象個小孩子似的。如果牙真的那么痛的話，就讓醫(yī)生治療。
A：O.K., O.K., I’ll go.
好了好了，我會去的。
B：Good. You feel better after you do.
那才好。去了之后你會覺得好受一些的。
knock網(wǎng)絡解釋
1. knock的反義詞
1. 敲缸：辛烷值是用來表示燃料發(fā)生敲缸(Knock)傾向,也就是發(fā)生自燃(Autoignition)傾向的指標. 人為地把異辛烷(isooctane)的辛烷值定為100,把正庚烷(n-heptane)的辛烷值定為零,在標準的火花點火試驗機上試驗,
2. knock
2. 敲擊：熱控制閥(Heat-Control Valve) 在引擎排氣歧管中一種節(jié)溫操作閥門,可在引擎未達正常工作溫度之前,將廢氣的熱導入進氣歧管. 敲擊(Knock) 隨引擎速度出現(xiàn)的金屬撞擊聲,通常是因軸承松脫或磨損所產(chǎn)生. 主軸承(Main Bearing) 引擎內(nèi)支撐曲軸的軸承.
knock詞典解釋
1. 敲；擊
If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.
e.g. She went directly to Simon's apartment and knocked on the door...
她直奔西蒙的房間，敲了敲門。
e.g. Knock at my window at eight o'clock and I'll be ready...
8點鐘敲我的窗，我會準備好的。
2. 碰，撞；（尤指）碰倒，撞倒，敲動
If you knock something, you touch or hit it roughly, especially so that it falls or moves.
e.g. She accidentally knocked the tea tin off the shelf...
她不小心把架子上的茶葉罐碰了下來。
e.g. The baby was knocked from his father's arms...
嬰兒被從他父親的懷中撞落。
3. 打通（房間或建筑）
If someone knocks two rooms or buildings into one, or knocks them together, they make them form one room or building by removing a wall.
e.g. They decided to knock the two rooms into one...
他們決定把兩間屋子打通連成一間。
e.g. The spacious kitchen was achieved by knocking together three small rooms.
這個寬敞的廚房是由3個小屋子打通連成的。
4. 把…撞擊到（某個位置）；把…打成（某種狀態(tài)）
To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.
e.g. The third wave was so strong it knocked me backwards...
第3波浪太大了，把我打了回去。
e.g. They were knocked to the ground and robbed of their wallets...
他們被打倒在地并被搶走了錢包。
5. 使失去（某種品質(zhì)或特征）
To knock a particular quality or characteristic out of someone means to make them lose it.
e.g. The stories of his links with the actress had knocked the fun out of him...
有關他與那位女演員有關系的傳聞使他很不開心。
e.g. When they first joined for training many were starry eyed about just sailing around the world. We soon knocked that out of them...
在他們參加培訓之初，很多人還只是對環(huán)球航行抱有天真的想法。我們很快便使他們消除了那種想法。
6. 發(fā)碰撞聲；砰砰作響
If something knocks, it makes a repeated sharp banging noise.
e.g. His old truck, knocking and smoking, pulled down the road and out of sight.
他那輛舊卡車一邊冒著煙一邊哐里哐啷地沿路向前駛?cè)ィ钡今偝隽艘暰€。
7. 批評；貶責；挑剔；非難
If you knock something or someone, you criticize them and say unpleasant things about them.
knock在線翻譯
e.g. I'm not knocking them: if they want to do it, it's up to them...
我不是批評他們：想不想做那件事取決于他們。
e.g. Never knock charter flights; they are opening up the world for budget-conscious travellers.
絕不要挑剔包機航班；他們使精打細算的乘客能夠去往世界各地。
8. 打擊
If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.
e.g. What they said was a real knock to my self-confidence...
他們的話是對我自信心的一次重大打擊。
e.g. The art market has suffered some severe knocks during the past two years.
在過去的兩年間，藝術品市場遭受了嚴重的打擊。
9. （尤指以相貌）給…留下深刻印象，使…傾倒
To knock them dead means to impress people a great deal, especially with your appearance.
e.g. Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.
魅惑彩妝最好留到你竭力想把所有人都迷倒的時候。
10. 停止干擾;打住
If you tell someone to knock it off, you are telling them to stop doing something that is annoying you.
e.g. Will you just knock it off!
別鬧了！
11. to knock peoples' heads together -> see head
to knock something on the head -> see head
to knock someone or something into shape -> see shape
to be knocked sideways -> see sideways
相關詞組：knock aboutknock aroundknock backknock downknock offknock outknock overknock togetherknock up