I have never lost the weight I put on in my teens.

我在十几岁时增加的体重从没减下去过。

Never had he been so free of worry.

他从没这样无忧无虑过。

That was a mistake. We'll never do it again.

那是个错误，我们永远不会再犯了。

I would never do anything to hurt him.

我决不会做任何伤害他的事情。

Divorce is never easy for children.

父母离婚对孩子来说绝不是件轻松的事情。

He never achieved anything.

他一事无成。

I never knew him.

我不认识他。

I never, ever sit around thinking, 'What shall I do next?'

我从来就不会闲坐着想：“我下一步该做什么？”