Lie low
(Other definitions for skulk that I've seen before include "Lie in wait" , "Lurk or loiter stealthily" , "Move secretly" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lie low</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hide that I've seen before include "harbour" , "Secrete, conceal" , "Flog" , "Conceal with leather" , "A flower; an instrument" .)