你不喜欢我怎知我情深
[nĭ bù xĭ huān wŏ zĕn zhī wŏ qíng shēn]
'How do you know how deep my feelings are if you don't like me?' Here, it voices a desire to convey one's depth of feelings, regardless of whether they are reciprocated, expressing frustration at not being understood or recognized.