陪你闹是我最大的骄傲逗你笑是我最大的荣耀
[péi nĭ nào shì wŏ zuì dà de jiāo ào dòu nĭ xiào shì wŏ zuì dà de róng yào]
Means 'Companionship brings me immense pride and making you laugh is the most glorious accomplishment,' indicating great happiness from keeping someone company and making them joyful.