no matter how

汉语翻译

例句：

1. 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。
2. 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。
3. 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。
4. 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。