你和氧气平起平坐你比心脏还要重要
[nĭ hé yăng qì píng qĭ píng zuò nĭ bĭ xīn zàng hái yào zhòng yào]
This can be translated as 'You are as necessary as oxygen, more important than the heart itself'. Expresses someone holds supreme importance to oneself. It indicates that another person is vitally essential, indispensable, like life-sustaining elements.