你就是个大白痴你是我的小笨蛋
[nĭ jiù shì gè dà bái chī nĭ shì wŏ de xiăo bèn dàn]
Translated, it is saying both 'you're such an idiot' and 'you’re my little fool', implying an affectionate relationship between the speaker and another person using playful insults often heard between close friends or couples.