繁华的世界已有心属花花的世界已有专属
[fán huá de shì jiè yĭ yŏu xīn shŭ huā huā de shì jiè yĭ yŏu zhuān shŭ]
In this bustling and tempting world, my heart already has its beloved. The person implies their heart is not available, expressing a sense of fidelity or commitment.