knock at the door：敲門 a knock n. 一陣敲門聲

27. knock sb. down 撞倒某人 | knock at the door 敲門 a knock n. 一陣敲門聲 | 28. catch fire 著火 = be on fire

Knock your block off：揍扁你

**Knock the pins from under someone 讓人灰心喪氣 | Knock your block off 揍扁你 | *Knock your socks off 使人感到非常震驚

knock... into a cocked hat：體無(wú)完膚

knock head 叩頭 | knock into a cocked hat 體無(wú)完膚 | knock into 撞上

knock sb about：接連打擊;粗暴對(duì)待

knock out of 從~中敲出來(lái) | knock sb about 接連打擊;粗暴對(duì)待 | knock off 下班;收工

knock at：指"敲打門窗

3. knock at, knock down & knock into的區(qū)別 | knock at 指"敲打門窗" | I heard someone knocking at the door.我聽(tīng)見(jiàn)有人敲門.

knock at door：敲門

knock敲; 擊; 敲門 關(guān)于它的一些短語(yǔ): | knock at door. 敲門 | knock sb. on the head 打某人的頭

knock down：撞倒;擊倒

knock "v.敲,敲打,碰撞; n.敲,擊; " | knock down 撞倒,擊倒 | knock out 擊倒,擊昏

knock down price：成交價(jià)格

knock die-out 爆震消除 | knock down price 成交價(jià)格 | knock intensity 爆震強(qiáng)度

knock sth off sp = knock sth down from sp：把某物從某地撞下來(lái)

38. knock our books and pens off the desks 把我們的書和筆從課桌上撞下來(lái) | 39. knock sth off sp = knock sth down from sp 把某物從某地撞下來(lái) | 40. think of 想起,想到

Knock on wood, WOO：敲敲木頭,喔

(Yes you better knock, knock, knock on wood) I can't leave her(是,你最好敲敲木頭,敲... | (Yes you better knock, knock, knock on wood) Oh no, baby(是,你最好敲敲木頭,敲... | Knock on wood, WOO! 敲敲木頭,喔!