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Astronomers knew the Earth was round, but few people believed it.
I don't believe that she's ever been to Hong Kong.
It is widely believed that the virus originally came from monkeys.
She found it hard to believe that he was a real businessman.
I would never have believed such a place existed if I hadn't seen it for myself.
Scientists believe a cure for the disease will be discovered soon.
I honestly believe he really loved her.
There is no reason to believe that he is not telling the truth.
We were led to believe we could make a large profit.
His friends wouldn't believe him to be capable of murder.
This is the British English definition of believe. View American English definition of believe.