我们正在谈论约翰的时候， 他从门外走进来了。真是说曹操， 曹操就到。

We were just talking about John when he came in the door.

《新英汉大辞典》

后来，为了国家的统一，他六次北上攻打曹操，但都失败了。在最后一次北伐中，他由于过度劳累，病死在军营中。 ！

Later, , Zhuge Liang launched six expeditions northward aimed at overthrowing Wei and unifying the country, but failed. On his last northern expedition, he died of illness.

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说曹操，曹操到，他来了。

Speaking of the devil, here he comes.

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