我爱的少年他如歌我爱的少女她如诗
[wŏ ài de shăo nián tā rú gē wŏ ài de shăo nǚ tā rú shī]
This means 'The boy I love sings like a song; the girl I love writes poetry like poetry itself.' It expresses admiration and affection towards a loved one with an artistic flair.