YOU SAID:
This should be a cinch
INTO JAPANESE
これは簡単なことをする必要があります。
BACK INTO ENGLISH
It must be easy.
INTO JAPANESE
それは簡単である必要があります。
BACK INTO ENGLISH
It should be easy.
INTO JAPANESE
それは簡単なはず。
BACK INTO ENGLISH
It should be easy.
Come on, you can do better than that.