On bad terms (2,4)
I believe the answer is:
at odds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">on bad terms</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 at odds that I've seen before include "At variance (with)" , "Conflicting (with)" , "In conflict with, oppposed to (2,4)" , "Not in agreement" , "Opposed, in conflict with" .)