他的音乐天赋荒废了多年，直到一次偶然遇到一把旧吉他，重新点燃了他的热情。
His musical talents had lain fallow for years until a chance encounter with an old guitar rekindled his passion.
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解释
闲置的、荒废的（才能）
His musical talents had lain fallow for years until a chance encounter with an old guitar rekindled his passion.
闲置的、荒废的（才能）