英语口语·吉米老师说
“敲门”别再说“knock the door”网赚项目，老外听了可能要报警！快来跟吉米老师学习如何正确说敲门。
英语·实用口语
knock 是敲，door 是门，敲门用 knock the door 看似没什么毛病，但是 knock the door 更偏向撞门，粗暴地撞倒的含义，会给人一种不礼貌的感觉。
He never knock the door; he just crashes into the room.
他从来不敲门的，都是直接冲进来。
➤那么如何礼貌准确地敲门呢？
敲门
这里有两种准确表达敲门的说法，其实就是介词的作用：
➤knock on the door 敲门
➤knock at the door 敲门，撞墙
He knocked on the door but found that the door was off latch.
他敲敲门发现门是虚掩着。
The kitchen looked so clean and bright, and the ladies so kind and sensible, that I dared to knock at the door.
厨房看上去干净明亮，姑娘们显得那么善良知理，于是我壮着胆子敲了门。
开门我们都知道是 open the door打的英文，那怎么说封住的门怎么说？
➤block the door 封门
Before he knew what he was doing, Harry had crossed the room in three strides and blocked the door.
哈利想也没想就三大步跨过房间，堵住了门。
knock的相关短语
knock heads
knock heads 是美国的常用口语，敲打头部也就是在表达（粗暴地）管教，教训，也有在某些地方有争论，意见不合的意思。
The two of them knocked heads soon after they started working together.
他们俩刚开始一起工作就争论起来。
I am going in there and knock some heads if they don't start behaving.
如果他们不规矩的话，我就要过去教训教训他们。
knock (someone) dead
knock someone dead 这个短语看上去似乎带有贬义的意思，但实际上它的意思是给…留下好而深刻的印象；也有令人惊叹的含义。
Her performance really knocked the audience dead.
她的表演着实令观众倾倒。
She told him to go out there on the stage and knock 'em dead.
她叫他去当演员，让观众开开眼界。
knock on wood
knock on wood 在美国意为霉运去，好运来，有一种说法就是当遇上好运时立刻手触木头并说此话，以防厄运并期待好运持续，上天保佑，英式口语也会说成 touch wood.
I've never broken a bone, knock on wood.
我从未经历过骨折，上天保佑。
Cross your fingers, knock on wood: it's possible, though by no means certain, that the worst of the financial crisis is over.
叉上手指，敲敲木头打的英文，祈祷一下：如果可能的话（尽管我们无法确定），让这次金融危机最难过的部分就此结束吧。
knock/throw sb for a loop
最开始这个短语的最初的意思是敲你，使你失去知觉。后来演变成使人心烦；使大为惊讶的意思。
He knocked/throw me for a loop when he said he was quitting his job.
他说他要辞职的时候吓了我一跳。
knock/hit someone for six
英式口语中，用来表示搞得某人措手不及; 彻底击败某人。
The news of the accident really knock/hit me for six.
那场事故的消息真的让我很受打击。
表示击打的相关单词
➤belt 重击，狠揍
He belted the ball down the fairway.
他用力猛击，高尔夫球飞向了球道。
➤rap 轻敲，拍击
He gave me a rap on the knee.
他拍了一下我的膝盖。
➤whack 猛击，重击
The old man lifted his cane and whacked the mugger on the head.
老人举起手杖用力击打劫匪的头部。
➤strike 打击，殴打，撞
The ship struck an iceberg.
那艘船撞上了冰山。
➤hit 袭击，碰撞
She hit him hard with her purse.
她用自己的手提包狠狠地打了他一下。
➤bump 撞击，碰上
I fell and bumped my elbow on the floor.
我摔倒了，胳膊肘磕到了地面上。
➤slam 砰地关上
He slammed the door in my face.
他当着我的面把门砰地关上。
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今天的知识是不是很容易就学会了呢？别忘了在评论区提交作业哦。
◆◆今日作业◆◆
这些短语和句子你都理解对了吗？最后留给同学们一个作业：
There was a gentle ( ).
A、knock the door
B、knock on the door
C、knock in th door
你做对了吗？同学们可以在右下角留言区写下你的答案哦, 老师会亲自点评~
