Meaning of Once bitten twice shyTwice bitten?

"Once bitten, twice shy" means that after experiencing something negative or painful, a person is likely to be more cautious in similar situations in the future. It highlights the idea that a bad experience can lead to a lasting wariness. "Twice bitten" suggests that if someone has faced multiple negative experiences, their caution or reluctance will be even stronger. Together, these phrases emphasize learning from past mistakes to avoid future harm.