你心似深海蔚蓝
[nĭ xīn sì shēn hăi yù lán]
Translated as: 'Your heart resembles the deep blue of the sea.' The deep sea is often seen as unfathomable, dark yet mysteriously captivating with its depths symbolized by rich shades of blue. It portrays a person having profound and intricate thoughts and feelings like the vast ocean's depths.