beginner’s luck (beginner’s luck)

Idiom Luck

意味

success for someone inexperienced

初心者の成功 (shoshinsha no seikou)

例文

"He won his first game — must be beginner’s luck."

"彼は初めてのゲームで勝った—きっと初心者の運だ。" (Kare wa hajimete no geemu de katta—kitto **shoshinsha no un** da.)