YOU SAID:
That's a tough trough
INTO JAPANESE
それは難しいトラフです
BACK INTO ENGLISH
It's a difficult trough
INTO JAPANESE
難しい谷だ
BACK INTO ENGLISH
It's a difficult valley.
INTO JAPANESE
難しい谷です。
BACK INTO ENGLISH
It's a difficult valley.
That didn't even make that much sense in English.