He lost confidence and backed out of the deal at the last minute.

他失去了信心，在最后一刻退出了协议。

《牛津词典》

They all suffered a lot in body and spirit, but never lost confidence.

他们都在身体和精神上遭受了很多痛苦，但从未失去信心。

youdao

The VC might have lost confidence in you.

这家公司对你失去了信心。

youdao

The American public had lost confidence in the direction elected leaders were taking America.

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Many Americans have lost confidence in the way our criminal courts assess guilt and innocence.

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Over time, however, I have lost confidence that Facebook culturally is up to the task.

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