A talented person losing ambition or drive due to adversity or being overly engrossed in love; to become disheartened despite one's abilities.
他曾是公司里的佼佼者，但自从经历了那次失败后，便英雄短气，再也提不起精神来。
He was once the top performer in the company, but after that failure, he became disheartened and lost his ambition, never regaining his spirit.
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