装不难过然后对你笑
[zhuāng bù nán guò rán hòu duì nĭ xiào]
'Pretend not sad and smile at you'- indicates a complex situation where the user might be feeling sad deep inside but still putting on a brave front and smiling for someone's sake. A portrayal of a person trying their best not to worry others even though they might be having a rough time themselves.