knock about

1. → see: knock around

1. I used to knock about with all the lads from round where Mum lives
   我过去常同妈妈住所周围的伙伴们一起玩儿。
2. I don't like the children playing in this room, for fear they knock the furniture about.
   我不喜欢孩子们在这间房子里玩，唯恐他们把家具打坏了。
3. They said that her husband used to knock her about but they had never heard her complain.
   他们说她丈夫曾对她拳打脚踢，但从没听她诉过苦。
4. There was a knock at the door just as we were about to have dinner.
   我们正要吃晚饭的时候有人敲门。
5. So if we were to'reset'the world of wealth, we should just knock off about a third.
   因此，如果要我们“重新设定”富人世界，我们应该直接减掉三分之一左右。
6. Finally, to produce the knock sequence itself, you could use many methods, but programming knock is the simplest way to go about it.
   最后，可以使用多种方法产生敲门序列本身，编写knock命令是最简单的方法。
7. This is a knock not on teachers ─ we are teachers ourselves ─ but on human intuition, which finds the claim about learning styles so self-evident that it is hard to see how it could be wrong.
   这不是对老师的一个打击我们自己就是老师而是对人类直觉的叫板。我们的直觉认为有关学习方式的主张都是不言自明的，很难看得出它有什么不对的地方。
8. Those tramp steamers knock about southeast Asia. The liner fell aboard of the cargo ship on account of the thick fog.
   那些不定期货船在东南亚一带往来行驶。由于迷雾，定期客船和货轮相撞了。
9. Jan likes to knock about in sandals.
   简喜欢穿着拖鞋到处游荡。
10. When he was a child, he used to knock about the market.
    他小时候，常在集市上乱跑。
11. Mary bought his son a toy dog to knock about with.
    玛丽给儿子买了只玩具狗玩。
12. We just want to go to beijing, and knock about for a few days.
    我们想去北京，在那儿几天到处逛逛。
13. It is shown that the results of the modified knock method are almost the same as those of the strain measurement, the difference being about 4%.
    结果表明，经过改进的敲击法测定的动弹性模量与电测法测试结果极为接近，相差约4%。
14. High frequency signals is superimposed on the ionic current signals when knocking happens, which can be detected by picking up these signals, and knock frequency detected is about 10~ 11 kHz.
    通过检测爆震时产生的叠加在离子电流信号上的高频信号，就可实现爆震检测，测得的爆震频率为10～11kHz。

verb

1. strike against forcefully
   1. Winds buffeted the tent

   Synonym:    buffetbatter

2. be around
   1. Does the old man still kick around?

   Synonym:    kick aroundkick about