你该笑的甜美纵有万般心碎
[nĭ gāi xiào de tián mĕi zòng yŏu wàn bān xīn suì]
'You should smile sweetly despite myriad heartbreaks'- It means maintaining composure and positivity in spite of internal turmoil or many troubles in life. It conveys strength and resilience in the face of adversity.