자라 보고 놀란 가슴 솥뚜껑 보고 놀란다 (Jara bogo nollan gaseum sotttukkeong bogo nollanda)

Meaning: Once badly frightened, you get scared of anything that looks similar.

Literally: A heart frightened by a turtle jumps at a pot lid

Example: “지난번 사고 이후로 작은 소리에도 깜짝 놀란다. 자라 보고 놀란 가슴 솥뚜껑 보고 놀란다더니.” — Since the accident I jump at the smallest noise: once bitten, twice shy.

Equivalents in English, French, Spanish, Japanese, German, and 3 more languages

English: A scalded cat fears cold water.
French: Chat échaudé craint l’eau froide (literally: A scalded cat dreads cold water)
Spanish: Gato escaldado del agua fría huye (literally: A scalded cat flees cold water)
Japanese: 羹に懲りて膾を吹く (Atsumono ni korite namasu wo fuku) (literally: Burned by hot soup, one blows on cold salad)
German: Gebranntes Kind scheut das Feuer (literally: A burnt child shuns the fire)
Italian: Gatto scottato dall'acqua calda ha paura della fredda (literally: A cat scalded by hot water fears cold water)
Portuguese: Gato escaldado de água fria tem medo (literally: A scalded cat is afraid of cold water)
Arabic: الملدوغ يخاف من جرة الحبل (Al-maldūgh yakhāf min jarrat al-ḥabl) (literally: One bitten by a snake fears a dragged rope)