淡淡婉转的旋律调低沉忧伤的曲线感
[dàn dàn wăn zhuăn de xuán lǜ diào dī chén yōu shāng de qŭ xiàn găn]
The phrase translates to 'a light and gentle melody with a low and sorrowful curve,' symbolizing an emotional and melancholic tune that conveys deep feelings of sadness or nostalgia.