The most common and most likely answer to this crossword clue is the 4 letter word ROSY
R
O
S
Y
Buddy explains!
The straight part
We know that "She" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case she = rosy.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.
What does ROSY mean?
ROSY adjective- Rose-coloured.
- Resembling rose, as in scent of perfume.
- Optimistic.
- Tea