noun
beginner driver plate; new driver sticker
A V-shaped green and yellow symbol that newly qualified drivers in Japan must display on their cars for one year. Commonly called 若葉マーク.
See also: 若葉マーク
初心運転者標識は、免許を取ってから1年間表示が義務付けられています。
The beginner driver plate must be displayed for one year after obtaining a license.
あの車には初心運転者標識が貼ってあるから、まだ運転に慣れていないんだろう。
That car has a beginner driver plate, so the driver probably isn't used to driving yet.