To regain clarity or brightness; to become enlightened or rejuvenated after a period of obscurity, confusion, or decline.
历经岁月洗礼，这件古董字画如今被专家修复，犹如“昏镜重磨”，重现昔日光彩。
After years of wear, this antique calligraphy and painting has now been restored by experts, like "re-polishing a dim mirror," regaining its former brilliance.
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