英語「grade」の意味・使い方・読み方 | Weblio英和辞書 grade (third-person singular simple present grades, present participle grading, simple past and past participle graded) (chiefly Canada, US) To assign scores to the components of an academic test, or to overall academic performance
英語「grave」の意味・使い方・読み方 | Weblio英和辞書 dig one's own grave, from the cradle to the grave, have one foot in the grave, make a person turn in his grave