【knock音标】 英[nɒk] 美[nɑ:k]
【单词释义】 knock是什么意思：
n.短促的敲打（声）；爆震声；敲击声；敲门（或窗等）声
vi.猛烈敲击；与某物相撞；撞到了桌子
vt.（心）怦怦跳；把…撞击成（某种状态）；批评
[单词分级] 中考英语词汇
[单词复数] knocks [第三人称单数] knocks
[单词现在分词] knocking
[单词过去式] knocked
[单词过去分词] knocked
【knock形近词/近似词】
paddock n.小围场；检阅场；小牧场
flock n.(群，鸟)群；一大群 v.聚集；群集；蜂拥
shock v.使震惊；使惊愕 n.震惊；休克
stock n.股票，股份；股本，资本；储备物，存货 v.存货；贮备；贮存；囤积
block n.块；街区；障碍 vt.阻止；阻塞
oclock adv.(o'clock表示整点)…点钟
livestock n.[U] 家畜，牲畜
clock n.钟，时钟；计时器
【常用短语】
knock down 击倒；撞倒；拆卸
knock into 撞上；与…相撞
knock out 使不省人事；使入睡；击败；淘汰
knock over 打翻；撞倒
【单词例句】
◇ But the wolf ran straight to the grandmother's house and knocked on the door.
就在此时，狼却直接跑到奶奶家，敲了敲门。
---- Little Red Cap
◇ Then came a knock on the door, and a voice cried, "lovely princess, open the door for me. " So she rose and went to the door.
然后传来敲门声，一个声音叫道：“美丽的公主，请为我开门。”于是她就起身走到门口去。
---- The Frog Prince
◇ All at once there was heard a violent knocking at the door, and the old King, the Prince's father, went out himself to open it.
这时，有人在敲门，王子的父亲老国王就走过去开门。
---- The Real Princess
◇ "Dance shalt thou!" said he. "Dance in thy red shoes till thou art pale and cold! Till thy skin shrivels up and thou art a skeleton! Dance shalt thou from door to door, and where proud, vain children dwell, thou shalt knock, that they may hear thee and tremble! Dance shalt thou--!"
"你得跳舞呀！"她说，"穿着你的红鞋跳舞，一直跳到你发白和发冷，一直跳到你的身体干缩成为一架骸骨。你要从这家门口跳到那家门口。你要到一些骄傲自大的孩子们住着的地方去敲门，好叫他们听到你，怕你！你要跳舞，不停地跳舞！"
---- The Red Shoes
◇ Microwaves, like radio waves, are a type of of "non-ionizing radiation," meaning they don't have enough energy to knock electrons out of atoms, the FDA says. Microwaves are therefore not known to damage DNA inside cells, according to the American Cancer Society.
FDA称，和无线电波一样，微波是一种“非电离辐射”，这意味着微波不具有足以撞击电子使其脱离原子的能量。因此，美国癌症学会表示，并不认为微波会破坏细胞内的DNA。
---- Is It Safe to Stand in Front of Microwave Ovens?
◇ It was not long before someone knocked at the door and called out, "Open the door, children dear, your mother is here, and has brought something for each one of you."
没过多久，有人敲门，而且大声说：“开门哪，我的好孩子。你们的妈妈回来了，还给你们每个人带来了一点东西。”
---- The Wolf and the Seven Young Kids
◇ The wolf went to the rabbit's house and knocked at the door. "Who is it?" asked the rabbit.
狼去兔子的房前敲了敲门，“是谁啊?”兔子问道。
---- The fox is dead