1·He rushed into the room without troubling to knock.
他连门也懒得敲就闯进屋去。
—— 《牛津词典》
2·They knock on people's doors and shout "Trick or treat!" for sweets.
他们敲邻居的并说“不给糖就捣乱”来得到糖果。
3·He hurt his shoulder not long ago, trying to knock ripe mangoes from a tree.
不久前，他试图把成熟的芒果从树上敲下来，弄伤了肩膀。
4·This is America, the land of opportunity, but opportunity does not knock for entrepreneurs — it lurks.
这就是美国，机会之都，但是机会不敲企业家的门--机会只是埋伏在那。
5·He likes to stack them up and find different ways to knock them down, she said.
他总是喜欢一个个的把他们堆起来，在用不同的方法把他们统统敲倒。
1·It is comparatively easy to read this "password" file and simply try and match the knock pattern to gain access to this system.
这个“密码”文件非常容易读取，并且通过尝试和匹配敲打模式，可以获得对系统的访问权限。
2·You can increase the maximum knock deviation to allow you to be more liberal in your rhythmic timings, but be warned, this can cause erroneously matched patterns.
我们可以增大最大敲打偏差来使敲打节奏更加自由，但是要注意，这可能会导致敲打模式匹配不正确。
3·With the subroutines in place, the main program logic allows the user to create a knock sequence, or runs in daemon mode to listen for knocks and execute commands.
利用这些子程序，主程序的逻辑允许用户创建敲打序列，或在守护模式下监听敲打序列并执行命令。
4·I am a mischievous kid knocking at your heart. Every knock is to pat on your soul to remind you of our appointment, and every knock is a genuine, honest story.
我是你胸着任意敲打的任性玩耍的孩童，这一下又一下的敲打便是撞击着相约的心灵，每一下都是真诚的故事。
5·Using an updated Linux kernel with the HDAPS driver, you can use a simple program called knockAge to generate knock codes.
使用带有 HDAPS 驱动的已更新的内核，我们就可以用一个简单程序 knockAge 来生成敲打代码了。
1·Knock control and misfire prevention software will be offered as upgrades.
爆震控制和预防失火软件将提供作为升级。
2·It causes a knocking or pinging sound, robs the engine of power and, left unchecked, causes serious engine damage. Knock may be eliminated with the appropriate octane number.
这导致侦测敲击或声音，剥夺了权力的发动机，同时，不加制止，造成严重的发动机损坏。爆震可能与相应的辛烷值淘汰。
3·The straight - chain alkanes exacerbate the problem of engine " knock ".
直链烷烃使机器的“ 爆震” 问题更加严重。
4·The system is a semi-closed loop system that knock sensor was used.
由于采用外部的爆震传感器，整个系统成为一个半闭环系统；
5·At the same time the paper studies the relation between the rotational speed and critical knock intense calculated with ion current signal average energy.
同时还给出了基于离子电流信号的临界爆震强度与转速之间的关系。