你是我的小丫小苹果
[nĭ shì wŏ de xiăo yā xiăo píng guŏ]
This user takes a part from an extremely popular song in China in recent years, called '小苹果'(little apple). '你是我的小丫小苹果' would translate into you are my little apple, adding '小丫' to emphasize its cuteness or affectionate term toward the subject.