换掉我的心脏给我一副铁
[huàn diào wŏ de xīn zàng jĭ wŏ yī fù tiĕ]
Translating directly, this name says 'Exchange my heart for iron.' It signifies wanting to harden one's emotions or become less susceptible to getting hurt. It might come from a place of self-protection or having been through emotionally challenging times