We thought that he would never notice a mistake unless it was pointed out to him, to correct it unless he has made to.

我们认为，除非有人向他指出错误，否则他是决不会注意到错误的。除非他犯了错误，他决不会改正错误。

youdao

Hopefully, Lennon practiced what he preached this time and genuinely didn't have a "thought for tomorrow," because, unless that thought was "be dead," he was guaranteed to be pretty disappointed.

希望这次连侬实行了他提倡的东西，并且很聪明地不去“考虑明天”。因为，除非那个考虑是“死亡”，不然他肯定会很失望的。

youdao

Until now, analysts have thought that Mr Condit's job was on the line unless he improved Boeing in the first half of this year (despite the unfavourable turn of the civil market).

ECONOMIST: Fearful Boeing

But Dr Cochran said he thought the risk of Iraq using chemical weapons on the battlefield was low unless the US or the UK provoked it.

BBC: UN 'not looking in right places'