我曾深信过你给我的所有的
[wŏ céng shēn xìn guò nĭ jĭ wŏ de suŏ yŏu de]
'I Once Truly Believed in All That You Gave Me' expresses nostalgia and disappointment, acknowledging a past filled with genuine trust that has now been shattered by the reality that these promises or experiences turned out to be untrue.