In life, eight or nine out of ten things will go against one's wishes.
人生中十有八九的事情都不会如人所愿。
该句使用了常见比例表达结构来强调人生不如意的普遍性。
"Life is unpredictable and eventually fades away."
"Nothing is permanent, so do not ask how to make things permanent."
"Life is like a dream; nothing can be possessed forever."
"The only thing one can predict in life is that nothing is predictable."
"Time is merely a passerby; staying and leaving are both normal."