Continue or persevere (5,2)
I believe the answer is:
carry on
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">continue</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(carry on can mean to continue or keep going)</span><br/ ><br/ >'<span class="explanation-format__original">persevere</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for carry on that I've seen before include "in-flight baggage" , "song and dance" , "Don't give up" , "Display of fussing" , "The palaver" .)