知我冷暖懂我悲欢
[zhī wŏ lĕng nuăn dŏng wŏ bēi huān]
'Knows my warmth and chill, understands my joys and sorrows.' Expressing that this person is deeply understood by someone; implying a profound mutual understanding between individuals. A level of trust where one feels completely seen and known, highlighting the significance of empathy.