Work hard (7,4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">work hard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(slog can mean to work very hard)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for slog that I've seen before include "Work doggedly" , "Hit hard - hard trek" , "big hit" , "Hit out without style" , "almighty wallop" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">work hard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(to toil is to do strenuous work)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for toil that I've seen before include "Work incessantly" , "Manual labour" , "Work hard, labour" , "Work hard and long" , "Work extremely hard" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">work hard</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 labour that I've seen before include "Productive work" , "unnecessarily elaborate" , "21 [PARTY] ?" , "Workers" , "Painful time" .)
(Other definitions for knuckle down that I've seen before include "Use some application" , "Apply oneself to hard work" , "Joint not working" , "Begin serious work" , "Apply oneself seriously" .)