我知道可我又不知道
[wŏ zhī dào kĕ wŏ yòu bù zhī dào]
'我知道可我又不知道' can be understood as 'I know, but I don't'. It reflects confusion or contradiction within one’s feelings. On one hand, they realize something about themselves or others, while on the other hand, they remain somewhat uncertain, hesitant or unsure.