一生一世一双人21一唇一齿一生情21
[yī shēng yī shì yī shuāng rén 21 yī chún yī chĭ yī shēng qíng 21]
This name means 'with you for one lifetime', emphasizing the loyalty and commitment of true love. The repetition of numbers adds a rhythmical touch that sounds harmonious in Chinese.