Long walk (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">long walk</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 trek that I've seen before include "Long and difficult journey" , "Long hard journey on foot" , "A long hard march" , "Long difficult walk" , "Expedition or difficult trip" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">long walk</span>' is the definition.<br/ ><span class="explanation-format__explanation">(a hike is a long walk)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hike that I've seen before include "Long, hard walk" , "Tramp" , "Walking tour" , "Walk for pleasure in the country" , "Long march; increase" .)