Run for it (4)
I believe the answer is:
flee
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">run for it</span>' is the definition.<br/ ><span class="explanation-format__explanation">(to run for it is to flee or escape)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for flee that I've seen before include "Turn tail" , "Leave" , "retreat" , "Do a runner" , "Run quickly away" .)