你可以再重复说一遍吗？

Nǐ kěyǐ zài chóngfù shuō yí biàn ma?

Could you repeat that one more time?

他把话重复说了很多遍。

Tā bǎ huà chóngfù shuōle hěn duō biàn.

He repeated himself many times.

请不要重复同样的错误。

qǐng bùyào chóngfù tóngyàng de cuòwù.

Please don't repeat the same mistake.