YOU SAID:

Unfortunately he taught his apprentice everything he knew, then his apprentice killed him in his sleep.

INTO JAPANESE

残念なことに、彼は自分が知っていることをすべて弟子に教え、その後、弟子が彼を眠っている間に殺してしまいました。

BACK INTO ENGLISH

Unfortunately, he taught his disciple everything he knew, and then the disciple killed him in his sleep.

INTO JAPANESE

残念なことに、彼は自分が知っているすべてを弟子に教え、その後、弟子は彼を眠っている間に殺しました。

BACK INTO ENGLISH

Unfortunately, he taught his disciple everything he knew, and then the disciple killed him in his sleep.