YOU SAID:
he went to do potty in the field
INTO JAPANESE
彼は野外でトイレに行きました
BACK INTO ENGLISH
He went to the bathroom outdoors
INTO JAPANESE
彼は屋外のトイレに行きました
BACK INTO ENGLISH
He went to the outdoor toilet
INTO JAPANESE
彼は屋外トイレに行きました
BACK INTO ENGLISH
He went to the outdoor toilet
Well done, yes, well done!