你是我的阳光没你我怎么活
[nĭ shì wŏ de yáng guāng méi nĭ wŏ zĕn me huó]
Translating into English it becomes 'You Are My Sunshine, Without You, How Do I Live?' Expresses extreme dependence and deep affection towards a person who provides hope, joy, life and makes existence meaningful.