情深深雨蒙蒙你看我萌不萌
[qíng shēn shēn yŭ mĕng mĕng nĭ kàn wŏ méng bù méng]
The phrase means 'in the deep love under the misty rain, do you think I'm cute?', mixing romantic scenes and playful self-description to portray an adorable person who expresses love in the rainy day scenario.