海有多深心有多冷
[hăi yŏu duō shēn xīn yŏu duō lĕng]
It literally translates as 'How deep the sea is, how cold the heart is.' The depth of the sea can imply an unknown, vast loneliness, and boundlessness; while a cold heart represents the despondency and indifference faced with the outside world. Users probably use this name to show their emotional state after experiencing life hardships.