Between twelve and eighty years we gradually lose this power; an illness which at twelve would knock us over, at eighty can knock us out, and into our grave.

从12岁到80岁,我们逐渐失去这种能力,12岁时使我们病倒的疾病,在80岁时可能会使我们一蹶不振而进入坟墓。

属类：学习英语-新概念英语-第四册

Well, I’ve dug this hole. Hold this stick while I knock it in.

好，我已经挖好了坑。当我把木棍插进去时，你扶着它。

属类：学习英语-教材英语-初三

Then there came a knock at the door.

接着听到敲门的声音。

属类：学习英语-语法例句-

Scarcely had she fallen asleep when a knock at the door awakened her.

她刚刚睡着，忽然敲门的声音把她惊醒。

属类：学习英语-语法例句-

The policemen had to knock down the door to get in.

警察为了进去得撞倒门。

属类：学习英语-成语例句-

Just as Mrs. Richards was entering the dining-room, there was a knock on the front door.

理查兹夫人刚刚走进舞厅，前门就传来敲门声。

属类：学习英语-新概念英语-第三册

Knock the nail into the wall, please.

请把钉子钉进墙。

属类：学习英语-教材英语-初三

Yes, I did. I heard him knock three times.

是的，我听见他敲了三下。

属类：学习英语-语法例句-

’He started to complain about this wicked world but was interrupted by a knock at the door.

他开始抱怨世道不好，但却被敲门声打断了。

属类：学习英语-新概念英语-第二册:lesson 24

They are liable to knock him off.

他们可能会干掉他。

属类：学习英语-修辞篇-杀死

It sounds as though there is a knock at the door.

听起来好像有人在敲门。

属类：学习英语-语法：句子结构-复合句

We should knock a long stick into the earth next to the hole.

我们应该紧挨着树坑插一根长的木棍。

属类：学习英语-教材英语-初三

One evening little Hans was sitting near the fire when he heard a loud knock at the door.

一天夜里，小汉斯正坐在火炉旁取暖，这时他听到有人在大声敲门。

属类：学习英语-许国璋英语-

Knock a long, strong stick into the earth in the hole. Make sure that it is straight.

在坑里插一根长而结实的木棍，木棍一定要插直。

属类：学习英语-教材英语-初三

The boxer scored a knock out.

这位拳击手将敌手击昏得分。

属类：学习英语-成语例句-

’Knock on Wood’ for Good Luck

词汇掌故：敲木头求好运

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：敲木头求好运

Today, we tell about the word "knock ." To help explain expressions using "knock," you will hear scripted dialogues. We will also use songs. We really want to knock your socks off!

今天，我们来讲述knock这个单词。为了有助于解释包含knock的一些表达，你将会听到一些脚本对话，我们还会利用一些歌曲。我们真的想要惊艳到你(to knock your socks off)。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：敲木头求好运

Another expression with a similar meaning is "Knock ‘em dead!"

另一句具有相似含义的表达是让他们折服（Knock ’em dead）。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：敲木头求好运

So, if a friend has a very important meeting, you can say to her, "Don’t worry. You will knock ‘em dead!" In other words, you are going to impress them so much that they will fall over dead! Not actually, of course.

所以，如果有朋友要参加一场非常重要的会议，你可以对她说：“别担心，你会令他们折服。”换句话说，你会给他们留些非常深刻的好印象，他们会深深为之倾倒。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：敲木头求好运

The "e-m" in this expression is short for the word "them." But when saying this expression, we don’t say "them." We say the informal, shortened form of the word -- pronounced ‘em. And we say it quickly blending the words together: Knock ‘em dead.

这句表达中的e-m是them的缩写。但是在说这句表达的时候，我们不用them，而是用它的这种非正式的缩写形式，发音为’em。我们要把它们快速连读：Knock ‘em dead。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：敲木头求好运