YOU SAID:

This will be an unprecedented affair

INTO JAPANESE

これは前例のない事件になるでしょう

BACK INTO ENGLISH

This will be an unprecedented incident

INTO JAPANESE

これは前例のない事件

BACK INTO ENGLISH

This is an unprecedented case

INTO JAPANESE

これは前例のないケースです。

BACK INTO ENGLISH

This is an unprecedented case.

INTO JAPANESE

これは前例のないケースです。

BACK INTO ENGLISH

This is an unprecedented case.