What does the cryptic crossword clue "We get this trench in a mess to increase pressure? (7,3,5)" mean?

The wordplay uses an anagram. anagram of WE + GET + THIS + TRENCH = TIGHTENTHESCREW The answer is TIGHTENTHESCREW.

We get this trench in a mess to increase pressure? (7,3,5)

Daily Mail Cryptic #17484 | 1 Down | 2024-11-07 flower