not a

It is only a hobby, not a life or death struggle.

这只是一项爱好，不需要拼死拼活地努力。

He was not a fit companion for their skipper that particular morning.

那天早晨，他没能和队长配合好。

It's not a case of whether anyone would notice or not.

这不是会不会有人注意到的问题。

It is not a good idea to burst a blister.

把水泡挑破不是个好主意。

Well, never mind, John, it's not a matter of life and death.

好了，约翰，别太在意了。这又不是什么生死攸关的大事。

I'm not a fashion victim; I stick to what suits me.

我不是一味赶时髦的人，我只穿适合自己的服装。

He's not a patch on the rest of the Cabinet.

他远比不上内阁的其他成员。

It's not a very good line. Shall we call you back Susan?

电话线路不太好。苏珊，我待会儿再打给你好吗？

I am not a religious fanatic but I am a Christian.

我不是宗教狂热分子，但我是基督徒。

A gold mine is not a bottomless pit, the gold runs out.

金矿并非无底的宝藏，金子终究会被采光。

He said the issue was not a major irritant.

他说那个问题不是什么大问题。

Gun ownership by law-abiding people was not a problem.

让守法的人持有枪械并不会惹麻烦。

He was not a paragon. He would never be perfect.

他不是完人，永远不可能十全十美。

The slow-worm is in fact not a snake but a legless lizard.

蛇蜥其实不是蛇，而是无脚的蜥蜴。

This is a European, and not a specifically British, problem.

这是全欧洲面临的问题，而不是英国独有的问题。