不离不弃是锦上添花不离不弃是心心相惜
[bù lí bù qì shì jĭn shàng tiān huā bù lí bù qì shì xīn xīn xiāng xī]
It means 'not leaving nor forsaking is embellishing good times, not leaving nor forsaking is cherishing each other wholeheartedly,' expressing commitment and loyalty, where two individuals treasure each other's company and deepen their bond regardless of circumstances.