pretty close
... pretty close = 不大离儿 pretty close = 不离儿 pretty close = 八九不离十 ...
not bad
... 不大离 not bad; pretty close; just about right 不离儿 pretty close; pretty good; not bad 差不离儿 not good enough ...
pretty good
... 不离儿 = pretty close 不离儿 = pretty good 不离正道 = undeviating ...