伴我不久久留不走
[bàn wŏ bù jiŭ jiŭ liú bù zŏu]
A somewhat paradoxical term, it expresses both the wish for a loved one to stay longer and the realization that they cannot stay long ('陪伴我不要走，却又不能久留'), conveying deep feelings of helplessness, longing, and possibly unfulfilled expectations.