unprepared

A black mark given to a pupil who arrives at a lesson without the necessary items or preparation.

Japanese Meaning

必要な物品や準備が整っていない状態で授業に臨んだ生徒に対して与えられる、マイナス評価としての黒印

When Sarah forgot her calculator and lab coat, she was given an unprepared by her teacher.

サラは電卓と実験用の白衣を忘れたので、先生に準備不足の黒点を付けられた。

Sense（1）

A black mark given to a pupil who arrives at a lesson without the necessary items or preparation.

"He's got another rule: Whenever he gets three unprepareds in a row, he leaves the classroom."

unprepareds

（ plural ）