Chinese phrase
保证不再发生 bǎo zhèng bú zài fā shēng
Meaning
promise it won't happen again
When to use it
Promises that the same problem will not happen again. It often follows an apology and sounds responsible and reassuring.
Example dialogue
对不起，我会保证不再发生这种事。 duì bù qǐ wǒ huì bǎo zhèng bú zài fā shēng zhè zhǒng shì
I'm sorry. I promise this won't happen again.
好，下次注意。 hǎo xià cì zhù yì
Okay, be careful next time.