你并非我良人怎知我情深
[nĭ bìng fēi wŏ liáng rén zĕn zhī wŏ qíng shēn]
The phrase 'Ni Bing Fei Wo Liang Ren Zen Zhi Wo Qing Shen' means 'Since You Are Not My Ideal One, How Can You Know How Deeply I Feel For You?' It implies a depth of feeling and unreciprocated emotions or love. It suggests that there is an emotional connection the narrator wishes for, but it seems that such sentiments have gone unacknowledged or misunderstood by the person they feel deeply about.