沵莪一生用心珍惜沵莪一世拿命守护
[mĭ é yī shēng yòng xīn zhēn xī mĭ é yī shì ná mìng shŏu hù]
This means 'I will cherish you with all my heart in this lifetime and protect you with my life.' This username expresses an extremely devoted love for someone, showing deep emotion and commitment to caring for another person.