我喜欢你可你却不知道
[wŏ xĭ huān nĭ kĕ nĭ què bù zhī dào]
'I like you but you do not know'. Directly translated into feelings not being recognized. It describes a unilateral love situation which remains unreciprocated by the recipient, thus carrying connotations of hidden and unacknowledged admiration or infatuation.