Try to lose
I believe the answer is:
diet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">try to lose</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for diet that I've seen before include "Weight-loss plan" , "Food intake regime" , "Prescribed food - council" , "Food - parliament" , "Try to lose weight" .)