YOU SAID:
vocabulary must be complicated for this Reverend to work
INTO JAPANESE
この牧師が働くためには、語彙が複雑でなければならない
BACK INTO ENGLISH
the vocabulary must be complicated for this priest to work
INTO JAPANESE
この神父が働くためには、語彙が複雑でなければならない
BACK INTO ENGLISH
the vocabulary must be complicated for this priest to work
You've done this before, haven't you.