Discuss work (4,4)
I believe the answer is:
talk shop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discuss work</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 talk shop that I've seen before include "Negotiations" , "like company bosses may do" , "Discuss work at a social event" , "Discuss matters concerning one's work" , "Speak about one's work" .)