是命是心脏是氧气似命似心脏似氧气
[shì mìng shì xīn zàng shì yăng qì sì mìng sì xīn zàng sì yăng qì]
This nickname emphasizes the importance and irreplaceability of something or someone by comparing them to essential elements such as life (destiny), heart, and oxygen, stressing indispensable significance.