YOU SAID:

I need the teacher's help, but he let me down.

INTO JAPANESE

先生の助けを必要がある、彼は私を裏切った。

BACK INTO ENGLISH

Need the help of the teacher, he cheated on me.

INTO JAPANESE

先生の助けを必要、彼は私を裏切った。

BACK INTO ENGLISH

Teacher's help is needed, he cheated on me.

INTO JAPANESE

彼は私を裏切った、先生方の助けが必要です。

BACK INTO ENGLISH

He cheated on me, the teacher's help is required.

INTO JAPANESE

彼は私を裏切った、先生の助けが必要です。

BACK INTO ENGLISH

He cheated on me, the teacher's help is needed.

INTO JAPANESE

彼は私にだまされた、先生の助けが必要です。

BACK INTO ENGLISH

He cheated on me, the teacher's help is needed.