旧人未清久居我心良人未归何来居心
[jiù rén wèi qīng jiŭ jū wŏ xīn liáng rén wèi guī hé lái jū xīn]
Translates to 'Old loves linger in my heart; how can there be room for new ones?' It suggests someone who is still holding onto past relationships or memories, making it hard to open up to new love or move on.