lǎo / shī / cháng / tí / xǐng / wǒ / men / rén / wú / wán / rén / fàn / cuò / hòu / yào / jí / shí / gǎi / zhèng

老师常提醒我们，人无完人，犯错后要及时改正。

The teacher often reminds us that nobody is perfect and that we should correct our mistakes promptly.