반짝반짝

in a flash

Explanation

[반짝빤짝]

1. in a flash
A word describing a small light appearing shortly and soon disappearing continuously.

2. suddenly
A word describing a thought suddenly and repeatedly striking one's mind.

3. soberly
A word describing one pulling oneself together repeatedly.

4. like a flash
A word describing an object, person, incident, etc., repeatedly disappearing..

5. without a wink
A word describing many people staying up, or one staying up several nights in a row.

Examples
반짝반짝 비추다
반짝반짝 윤이 나다
날이 반짝반짝 빛나다

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