Neither good nor bad (2-2)
I believe the answer is:
so-so
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">neither good nor bad</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for so-so that I've seen before include "Of average quality" , "Indifferently good" , "just about adequate" , "Tolerable, indifferent" , "Fair to middling" .)