Take legal action against (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">take legal action against</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sue that I've seen before include "Plead" , "Take legal action against (someone), girl's name" , "Take court action" , "Start proceedings against (someone)" , "Apply" .)
(Other definitions for prosecute that I've seen before include "Take legal action" , "Bring before a criminal court" , "Practise" , "Represent the Crown in court" , "Bring a criminal action against" .)