戴上耳机对你说爱你戴上耳机聆听那幸福
[dài shàng ĕr jī duì nĭ shuō ài nĭ dài shàng ĕr jī líng tīng nèi xìng fú]
'Wearing earphones and telling you I love you', followed by 'wearing earphones and listening to that happiness.' The narrator expresses their love through earphones to the person they love, wishing for the joy and happiness that come from it to last forever without interruptions.