有你哥不孤独有你姐不寂寞
[yŏu nĭ gē bù gū dú yŏu nĭ jiĕ bù jì mò]
Meaning 'With your brother here, you're never alone; with your sister around, you'll always feel company'. It indicates this person is friendly and willing to support others, making people feel less lonely and cared for.