这个夏天有你不孤单那个冬天有你狠温暖
[zhè gè xià tiān yŏu nĭ bù gū dān nèi gè dōng tiān yŏu nĭ hĕn wēn nuăn]
This translates to: 'With you, this summer isn’t lonely; with you, that winter is very warm.' Expresses the idea that being with someone special makes all seasons warmer and less lonely.