Cryptic crossword clue
It is required for us to listen to somewhat fathom all EU sanctions 7

The most common and most likely answer to this crossword clue is the 7 letter word MALLEUS

M
A
L
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Buddy explains!

The straight part
We know that "It is required for us to listen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it is required for us to listen = malleus.
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 MALLEUS mean?

MALLEUS noun
  1. The small hammer-shaped bone of the middle ear.
  2. The tripus (ossicle in cypriniform fishes).
  3. One of the paired calcareous structures within the mastax of rotifers.

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