拨动你水晶般的心弦描摹你钻石般的双眼
[bō dòng nĭ shuĭ jīng bān de xīn xián miáo mó nĭ zuàn shí bān de shuāng yăn]
These poetic phrases suggest the beauty and value attached to the loved one's eyes like diamonds, as well as the ability to touch one's heart, represented here like a crystal heart. There is also the implication that their relationship possesses unmatched luster and transparency, like crystal and diamonds.