The body was interred vertically therefore it couldn't attain Buddhahood.
ご質問ありがとうございます。
Interという英単語を覚えたいなら下記の英文通りになります。
The body was interred vertically therefore it couldn't attain Buddhahood.
上記の英文は過去形なので、「inter」の過去形「interred」にしました。
ご参考になれば幸いです。
The soul of this person could not go to heaven because his body was intered upright.
He was buried standing up, so his soul couldn't rest in peace.
ーThe soul of this person could not go to heaven because his body was interred upright.
「彼の遺体は縦に埋葬されたので、彼の魂は成仏できなかった」
could not go to heaven で「成仏できなかった」
to be interred upright で「縦に埋葬される」
ーHe was buried standing up, so his soul couldn't rest in peace.
「彼は立てて埋められたので、彼の魂は成仏できなかった」
to be buried standing up で「立てて埋められる」
couldn't rest in peace で「成仏できなかった」
ご参考まで!