你情似刀截入我心
[nĭ qíng sì dāo jié rù wŏ xīn]
A direct translation would be 'your love cuts into my heart like a knife,' symbolizing deeply piercing emotional effects that one's affection has over another. The user adopts this name because the loved one has caused indelible impressions in their heart - perhaps joyful, more likely sorrowful and unforgettable.