你心如深海吗深的不见底吗
[nĭ xīn rú shēn hăi ma shēn de bù jiàn dĭ ma]
'Is Your Heart Like A Profound Sea? Too Deep To See Through'. Symbolizing mysteriousness and unfathomable depth, suggesting that the user believes someone close to them or their own nature to be profoundly incomprehensible.