Look at quickly (4)
I believe the answer is:
scan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">look at quickly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for scan that I've seen before include "Perusal" , "Examine intensely -- examine superficially" , "at one's feet?" , "Scrutinize" , "Survey; screen" .)