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◎ 宵旰 xiāo-gàn
[getting up before dawn and eating late ——busy with state affairs;labor incessantly on duty] 〈方〉∶宵衣旰食,即天不亮就穿衣起床,天晚了才吃饭歇息
宵旰忧虞轸。——唐· 杜甫《秋日夔府咏怀一百韵》
红梅开花时间，养殖方法及注意事项
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