Replacement is difficult if not impossible.

Hard, perhaps, but not impossible.

尽管很艰难, 但并非全无可能.

It is not impossible.

未始不可.

Foresight now tells us that travel to Mars is not impossible.

如果我们把眼光放得远一些,我们就可知将来前往火星旅行不无可能.

It is not impossible for us to master two foreign languages.

对我们来说,掌握两门外语是可能的.

Not impossible to be able to have fault time.

不可能会有失误的时候.

I thought, it is not impossible.

我想, 应该也会有些可能的.

Otherwise, gear shifting would be extremely difficult if not impossible.

不然, 换档即使不是完全不可能,也会是十分困难的.

Self-study is not impossible, it is very difficult only.

自学不是不可能, 只是非常难.

But it not impossible.

但是这不是不可能的.

The book is not in the least difficult.

这本书一点也不难.

The shop assistant was not in the least afraid of the trouble.

那店员一点也不怕麻烦.

I am not in the least worried.

我一点也不担心.

I'm not like that at all. Not in the least.

我哪里是那种人。绝对不是。

" Do you mind if I smoke? " " Not in the least. "

“ 我抽烟你介意 吗 ? ” “ 一点也不介意. ”

She was not in the least tired after the long trip.

长途旅行后,她丝毫也不感到疲倦.

The Buddha answered , I am not in the least bIt'sorry.

佛陀回答道: 一点也不.

I am not in the least afraid.

我一点也不惧怕.

I am not in the least afraid of his threats.

我一点也不怕他的威胁.

It comes in many forms , prompted by various factors, not least fatigue.

它有很多种形式, 也有各种成因, 尤其是疲劳.

Cavitating torpedoes remain rare, not least because they are problematic.

超空泡鱼雷仍然十分罕见, 尤其是因为这类鱼类自身还存在问题.