我的孤单里有你的模样
[wŏ de gū dān lĭ yŏu nĭ de mó yàng]
In My Loneliness There Is Your Face, referring to missing someone deeply where even one's loneliness is associated with that specific person - when someone misses a special person so badly and cannot help thinking of his/her looks when feeling lonely or alone, implying deep emotional attachment.