你的幸福路人皆知我的狼狈无所遁形
[nĭ de xìng fú lù rén jiē zhī wŏ de láng bèi wú suŏ dùn xíng]
It expresses an intense feeling of loneliness and vulnerability, where one feels everyone knows about another's happiness while they can't hide their own distress and humiliation.