Never Know歌词 词/曲:周芊芊 you never know how lonely i was when you kept silent i felt like crying like a child you never know how careful i was when i wanted to pour all my thoughts out you never really know my heart thanks so much for your precious care there once to be one warmed my heart but now the only one is gone you never really know my heart thanks so much for your precious care there once to be one warmed my heart but now the only one is gone you never know how lonely i was when you&nbs