YOU SAID:

The comets are tiresome.

INTO JAPANESE

彗星はたいへんです。

BACK INTO ENGLISH

The comet is very hard.

INTO JAPANESE

彗星は非常に難しいです。

BACK INTO ENGLISH

The comet is very difficult.

INTO JAPANESE

彗星はとても難しいです。

BACK INTO ENGLISH

The comet is very difficult.