即使万丈深渊也不及我爱你
[jí shĭ wàn zhàng shēn yuān yĕ bù jí wŏ ài nĭ]
This expresses an extremely deep and boundless love, implying that this love surpasses any hardship or despair. The person suggests there's nothing deeper than their love and is prepared for all consequences as long as they could love freely and thoroughly.