春天的温暖冬天的寒冷
[chūn tiān de wēn nuăn dōng tiān de hán lĕng]
'Chun tian de wen nuan dong tian de han leng', or 'Warmth in Spring and Coldness in Winter'. A seasonal contrast metaphorically reflecting changes in moods or life stages, implying different feelings at distinct periods - warmth represents hopefulness or passion; cold signifies detachment or melancholy.