by

by

区别是：

by no means 是正确形式，是固定搭配，意思是决不;并不;绝不，一点也不。

in no means是错误的，不能用介词in。

例句：

1、I am by no means an unsociable person.

我绝对不是一个不合群的人。

2、Differences were papered over but by no means were they fully resolved.

分歧被掩盖了，但是绝没有得到完全解决。

3、On matters of principle we should be clear-cut in attitude, and by no means beequivocal.

在原则问题上，我们必须态度鲜明，决不能模棱两可。

4、His view is by no means without foundation.

他这种看法决不是凭空产生的。

5、He was forceful, but by no means a zealot.

他个性坚定，但绝不是什么狂热分子。

6、This is by no means an exhaustive list but it gives an indication of the many projects taking place

这绝称不上是详尽无遗的清单，但是列出了很多正在进行的项目。

7、The occurrence of such things is by no means fortuitous.

出现这种问题绝不是偶然的。

8、The problem is by no means as simple as we first thought.

问题决不像我们当初想象的那么单纯。