both father and mother are in good health ❍ 欣闻～，谨祝二老安度晚年。I’m pleased to hear that both your parents are in good health.I wish them a happy life in their remaining years.
椿萱并茂chūn xuān bìnɡ mào
椿：长寿的大椿，用来象征父亲；萱：萱草，用来象征母亲。大椿和萱草都很茂盛。比喻父母都很健康。both patents are in good health, Both parents are living and in good health.