(1) What is the difference between 그리 and 별로?
(a) 그건 그리 안 좋아요 =
That is not that good
( -> not what the Speaker expects as 'good' ?)
(b) 그건 별로 안 좋아요 =
That is not so good
( -> Speaker acknowledges that it is not good but wishes to tone down the negativity of his statement? -> not good but acceptable ? )
(2) How to translate: This is so not good. ? 확실히 ?