rén / shēng / biàn / huà / wú / cháng / jīn / tiān / de / chéng / gōng / bìng / bù / bǎo / zhèng / míng / tiān / yě / huì / shùn / lì / zhēn / shì / bái / yī / cāng / gǒu

人生变化无常，今天的成功并不保证明天也会顺利，真是白衣苍狗。

Life is unpredictable; today's success does not guarantee that tomorrow will go smoothly.