- 成千上万 chéngqiānshàngwàn thousands upon thousandsinnumerable; countless; by the thousands and tens of thousands
- 成千成万 chéngqiānchéngwàn thousands upon thousandsinnumerable; untold numbers; literally by the thousands and tens of thousands
- 一失足成千古恨 yīshīzúchéngqiāngǔhèn a single slip brings eternal regretOnce a serious mistake is made, it leads to lifelong or eternal sorrow
- 成千累万 chéngqiānlěiwàn thousands upon thousandsinnumerable; untold numbers; by the thousands and tens of thousands
- 一失足成千古恨，再回首已百年身 yīshīzúchéngqiāngǔhènzàihuíshǒuyǐbǎiniánshēn a single slip brings eternal regret and by the time one looks back a lifetime has passeda single misstep results in lifelong remorse, and by the time one realizes the mistake, one's life is already over; emphasizes the irreversible nature of serious mistakes
