He's never seen one.

他从来没见过一个。

youdao

While they were wandering down the street, Heidi found out what a barrel-organ was, for she had never seen one.

当他们在街上闲逛的时候，海蒂发现了什么是手风琴，因为她从来没见过。

youdao

I had never seen one.

我从没去过。

youdao

Every child, every one of you, every one of us was brought up to know that one must never do wrong, even if good consequences are seen to follow.

每一个小孩，在座的各位，我们每一个人都从小被教育,不要做坏事，就算结果是善也不行。

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"I have never seen one of these before, other than on television, " Mr. Lopez said.

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She's also been attacked as a judicial activist, as if we'd never seen one of those before.

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They are hated on a visceral level, even by people who've never seen one or seen the effects of one.

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