Looked at carefully (4)
I believe the answer is:
eyed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">looked at carefully</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 eyed that I've seen before include "Watched with interest" , "Spotted" , "Viewed" , "Looked at, warily perhaps" , "Ogled" .)