若影若离该怎么懂若隐若现该怎么透
[ruò yĭng ruò lí gāi zĕn me dŏng ruò yĭn ruò xiàn gāi zĕn me tòu]
'How to understand something seen but not clear and feel it present yet hard to catch?' illustrates the struggle to fully grasp or experience a vague, elusive feeling or memory that’s just out of reach.