The most common and most likely answer to this crossword clue is the 4 plus 5 letter word LOOK SMART
I've seen this crossword clue in The Guardian
L
O
O
K
S
M
A
R
T
More clues leading to the result LOOK SMART
- Marks tool badly in hurry
- Make yourself presentable, and be quick!
- Tramp’s unlikely to step on it
- Hurry! Ladies getting trade round back of park
- Hurry to observe trams coming back
- Make it snappy?
- Appear hurt, but hurry up
- Be quick, John — knee’s beginning to hurt
- Be smart to expect a tense Mrs. to be upset
- Appearance of vehicle returning makes one hurry up
Buddy explains!

The straight part
We know that "hurry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hurry = look smart.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.