YOU SAID:

Your dead period arrived teacher.

INTO JAPANESE

先生の生理が来ました。

BACK INTO ENGLISH

Teacher's period has come.

INTO JAPANESE

先生の時期が来ました。

BACK INTO ENGLISH

It's time for the teacher.

INTO JAPANESE

先生の時間です。

BACK INTO ENGLISH

It's teacher time.

INTO JAPANESE

先生の時間だよ。

BACK INTO ENGLISH

It's teacher time.