允你片情深的温柔允你场倾城的笑颜
[yŭn nĭ piàn qíng shēn de wēn róu yŭn nĭ chăng qīng chéng de xiào yán]
This translates as 'I permit you deep affection and tender love; I permit you smiles that captivate the city.' It expresses a promise or granting of intense affection and captivating grace.