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。
"On the road of life, how far we go, what scenery we see, and whom we meet are all unpredictable."
"Life is full of unknowns; a sunny sky can turn into a drizzle in an instant."
"Life is short—what must come will come, and what must go cannot be stayed."
"Nothing is permanent, so do not seek eternity."
"Neither suffering nor happiness is permanent."