明知道我很在乎你明知道我离不开你
[míng zhī dào wŏ hĕn zài hū nĭ míng zhī dào wŏ lí bù kāi nĭ]
Translates to 'Knowing well I care deeply for you, Knowing well I can't live without you', highlighting a mutual understanding between two people about the strength and depth of their attachment and interdependence.