Brief let-up (7)
I believe the answer is:
respite
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brief let-up</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 respite that I've seen before include "Short let-up" , "Pause to rest" , "Pause; reprieve" , "Pause from pain" , "Break from doing something" .)