牵上了我手就要陪我走下去许下了诺言就不要出尔反尔
[qiān shàng le wŏ shŏu jiù yào péi wŏ zŏu xià qù xŭ xià le nuò yán jiù bù yào chū ĕr făn ĕr]
This username translates to 'Once you hold my hand, promise to walk with me till the end.' It signifies the importance of keeping one's promises in a relationship, implying loyalty and sincerity.