不如意事，十常八九
bù​rú​yì​shì​shí​cháng​bā​jiǔ

things rarely go as one hopes

不如意事，十常八九 bù​rú​yì​shì​shí​cháng​bā​jiǔ
things rarely go as one hopes
Proverb meaning that things in life go against one's wishes eight or nine times out of ten; used to comfort someone by reminding them that setbacks and disappointments are a normal part of life