YOU SAID:

In my desk, I have so many useless things that i should throw away

INTO JAPANESE

私の机には無駄なものがたくさんあるので捨てる必要があります

BACK INTO ENGLISH

My desk has a lot of waste and I need to throw it away

INTO JAPANESE

デスクにはたくさんの無駄があり、捨てる必要があります

BACK INTO ENGLISH

The desk has a lot of waste and needs to be thrown away

INTO JAPANESE

デスクには多くの無駄があり、捨てる必要があります

BACK INTO ENGLISH

The desk has a lot of waste and needs to be thrown away