情入深海以致心葬死海
[qíng rù shēn hăi yĭ zhì xīn zàng sĭ hăi]
It conveys a very sorrowful feeling in love. 'Emotions sinking into the ocean leading the heart to be buried in the Dead Sea' implies a person who has been deeply hurt emotionally and cannot recover, comparing a broken heart to something sunk and buried at the sea's depths.