The most common and most likely answer to this crossword clue is the 4 plus 2 plus 3 letter word LEND AN EAR
I've seen this crossword clue in Financial Times
L
E
N
D
A
N
E
A
R
More clues leading to the result LEND AN EAR
- Listen closely after City nets goal
- Pay attention to make an organ donation
- Listen, and learn to get worried about source of energy
- Listen, love and death's related, answer lies within
- Listen to inner voice ignoring surging adrenaline
- Attend new Hamlet, say, hosted by another mad royal
- Listen and learn, unhappily, about European
Buddy explains!

The straight part
We know that "Listen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case listen = lend an ear.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.