人潮拥挤抓紧你的手茫茫人海不放你的手
[rén cháo yōng jĭ zhuā jĭn nĭ de shŏu máng máng rén hăi bù fàng nĭ de shŏu]
This username translates to 'In a crowded crowd, hold your hand tightly, do not let go in a sea of people'. It symbolizes trust and reliance, wanting to stay close and connected no matter the circumstances.