摸摸头会长不高没事我可以弯腰
[mō mō tóu huì zhăng bù gāo méi shì wŏ kĕ yĭ wān yāo]
'If you pat my head, I'll grow no taller; don't worry, though, I can bend down to suit you better.' This indicates one's willingness to cater to their loved ones even at one's disadvantage, showcasing self-sacrificing care.