1. No matter how hard he works, he can not get a promotion.
不管他工作多努力, 他就是得不到提升。
2. No matter how many prototype we make, we just can not get it right.
不管做多少次样品，我们都无法获得满意的。
3. No matter how hard he may try, he will not succeed.
不管他怎么努力去干都不会成功的。
4. Every substance in the world, no matter how different it may seem from any other substance, is made partly of electrons.
世界上每一种物质不管看起来和其他物质多么不同，都部分地由电子组成。
When anyone does something for you,no matter how small and no matter whether he is superior or servant,it is proper to say"Thank you"
任何人替你做了一件事，不管事情多么小，也不管他是你的上司还是佣人，你都应该说：“谢谢你。”
No matter how experienced a speaker you are,and how well you have prepared your speech,such a noisy reception as that is apt to be very off - putting.
无论你是多么富有经验的演说家，无论你作了多么充分的准备，在这样嘈杂的招待会上你很难发表演讲。
It doesn't matter how you're dressed.
你不管怎么穿都没关系。
She sticks at nothing—no matter how difficult.
她毫不迟疑，不管有多困难
It doesn't matter how you do it.
你怎麽做都没关系。
You'll never succeed,no matter how hard you try.
无论你怎麽努力，你都不会成功的。
What did it matter how people talked,he thought.
他想，人家怎么谈论有什么关系。
No matter how rich,one shall not live an idle life
不管一个人多么富有，都不应该过着闲散的生活
We can solve the problem no matter how complicated it is.
任凭问题多复杂，我们也能弄清楚。
