A lone phoenix and a solitary luan; refers to a couple's separation or a spouse living alone after loss or separation.
老夫妻相守一生，待到一方先逝，另一方便凤只鸾孤，只剩回忆相伴
The old couple stayed together their whole lives; when one passed away first, the other was left like a lone phoenix and solitary luan, with only memories for company.
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