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once bitten twice shy

wʌns ˈbɪtən twaɪs ʃaɪ

General
neutral
intermediate
Literally:
After being bitten once, one becomes timid

What does "once bitten twice shy" mean?

  1. A bad experience makes one more cautious
  2. Learning from past mistakes to avoid similar situations

Examples

  • I won't invest in that sector again—once bitten, twice shy.
  • She's once bitten, twice shy when it comes to relationships.
  • Once bitten, twice shy—I'll never trust that company again.

Origin

From the natural reaction of avoiding what has caused pain. An animal bitten by another will be wary of similar situations.

How to use it

Explains caution based on past negative experiences. Suggests wisdom from experience.

Similar expressions

learn from experience
gun-shy
cautious after failure

Opposites

never learns
repeats mistakes

Related idioms

  • actions speak louder than words

    What people do is more important than what they say

  • better safe than sorry

    It's better to be careful and prevent problems than to take risks

  • so far so good

    Things have gone well up to now

  • easier said than done

    Something is more difficult to do than to talk about

  • make a long story short

    To summarize or get to the point

  • to make matters worse

    In addition to existing problems

Use it in a practice answer

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