仰头45无奈哭泣仰头45假装微笑
[yăng tóu 45 wú nài kū qì yăng tóu 45 jiă zhuāng wēi xiào]
It describes an attitude filled with helplessness but also contains resilience. The action of looking up 45 degrees can imply either trying not to cry (when helpless or upset) or putting on a false cheerful appearance in difficult situations.