하룻강아지 범 무서운 줄 모른다

harutgangaji beom museoun jul moreunda

Word for word

“A day-old puppy doesn't know to fear a tiger.”

What it means

Beginners take on challenges without realizing how hard they are.

When you'd say it

A rookie confidently challenging a veteran.

Closest English saying

Fools rush in where angels fear to tread.

Example

첫날부터 사장님한테 바둑 한 판 하자고? 하룻강아지 범 무서운 줄 모르네.Challenging the boss to baduk on day one? A puppy that doesn't fear the tiger.