언뜻

in an instant; in a flash

Explanation

[언뜯]

1. in an instant; in a flash
In a manner of appearing temporarily in a passing moment.

2. suddenly
In a manner of an idea, memory, etc., coming across one's mind.

Examples
언뜻 보다
언뜻 보이다
가로등 불빛에 언뜻 그녀가 보였다

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