难展笑颜难见欢颜
[nán zhăn xiào yán nán jiàn huān yán]
A deeper level expression like 'Hard to Show Joyful Face', indicates that it has been quite some time since one had shown genuine happiness due to heavy burdens on mind or heart. The difficulty lies both in showing laughter outwardly and truly feeling delight internally, suggesting ongoing sorrow or dissatisfaction in life