6 sentences

1. 不要再犯任何错误了。

   bù yào zài fàn rèn​hé cuò​wù le.

   Don't make any more mistakes.

   Source: OpenSubtitles

2. 我保证不会再犯了。

   wǒ bǎo​zhèng bù huì zài fàn le.

   I promise I won't do it again.

   Source: OpenSubtitles

3. 我忠告你不要再犯同样的错误。

   wǒ zhōng​gào nǐ bù yào zài fàn tóng​yàng de cuò​wù.

   I advise you not to make the same mistake again.

   Source: Dong Chinese Dictionary

4. 我们要引以为诫，不要再犯同样的错误。

   wǒ​men yào yǐn yǐ wéi jiè, bù yào zài fàn tóng​yàng de cuò​wù.

   We should take this as a warning and not make the same mistake again.

   Source: Dong Chinese Dictionary

5. 既然你已经知道错了，就要勇于改过，避免再犯。

   jì​rán nǐ yǐ​jīng zhī​dào cuò le, jiù yào yǒng​yú gǎi​guò, bì​miǎn zài fàn.

   Since you know you are wrong, you should have the courage to correct your ways and avoid making the same mistake again.

   Source: Dong Chinese Dictionary

6. 他这样做原本是为了打草惊蛇，让其他人不敢再犯。

   tā zhè​yàng zuò yuán​běn shì wèi​le dǎ​cǎo​jīng​shé, ràng qí​tā​rén bù gǎn zài fàn.

   He originally did this to serve as a warning to others.

   Source: Dong Chinese Dictionary