Stumbling block (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stumbling block</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hitch that I've seen before include "Snag; tie up (animal)" , "To travel without paying" , "Yank" , "Temporary problem" , "Temporary obstacle" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stumbling block</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 obstacle that I've seen before include "The problem" , "Progress blocker" , "race" , "stumbling block" , "It hinders or prevents advance" .)