你是温暖逆光而来
[nĭ shì wēn nuăn nì guāng ér lái]
'Nǐ shì wēnnuǎn nìguāng ér lái' is translated as 'you came from light against light' in a metaphorical way it conveys 'You come as warmth into my world, shining through and brightening the gloom'. So this user name implies someone or some event has become a source of warmth and hope for the owner in hard times