破镜重圆 (pò jìng chóng yuán): lit. the two halves of the broken mirror are rejoined; fig. long-separated lovers are reunited; a broken relationship is restored

破pò镜jìng重chóng圆yuán

lit. the two halves of the broken mirror are rejoined; fig. long-separated lovers are reunited; a broken relationship is restored

A couple split a mirror before being separated, and the two halves eventually brought them back together. For a marriage or a friendship that broke and has genuinely mended.