半粒糖甜到伤半克拉刻在心
[bàn lì táng tián dào shāng bàn kè lā kè zài xīn]
A poetic expression meaning 'half a grain of sugar is so sweet it hurts, half a carat etched in my heart'. It conveys intense yet bittersweet romantic feelings or memories, emphasizing depth of emotion despite incompleteness.