纵深情万千也难猜情深缘浅
[zòng shēn qíng wàn qiān yĕ nán cāi qíng shēn yuán qiăn]
'No matter how deeply one loves, it's still hard to figure out the depth and destiny of this relationship', conveys the uncertainty within deep-seated feelings and how it could be impossible sometimes knowing if intense affection truly leads anywhere significant in life