I feel sorry about my mistakes and assure you that I'll try my best to deal with it.

我的错误感到抱歉，并向您保证，我会尽全力处理此事。

youdao

I feel sorry about my mistakes and assure you that I'll try my best to deal with it.

我的错误感到抱歉，并向您保证，我会尽全力处理此事。

youdao