我的心鹿死谁手
[wŏ de xīn lù sĭ shéi shŏu]
'In Whose Hands Lies the Death of the Deer In My Heart': It's used to convey uncertainty or competition about who will finally acquire or win over a cherished entity/person. The imagery of a 'heart deer' dying is unique metaphor in romance expressing ultimate possession of affection.