The most common and most likely answer to this crossword clue is the 4 plus 3 plus 4 plus 2 plus 3 plus 5 letter word TAKE THE BULL BY THE HORNS
I've seen this crossword clue in The Times
T
A
K
E
T
H
E
B
U
L
L
B
Y
T
H
E
H
O
R
N
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More clues leading to the result TAKE THE BULL BY THE HORNS
Buddy explains!
The straight part
We know that "Tackle problem resolutely/emulate matador's hands-on approach?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tackle problem resolutely/emulate matador's hands-on approach? = take the bull by the horns.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.