How do I solve 14 across in Times Cryptic 29534?

Question

Accepted Answer

14 across reads "Knock down chap emitting cry of pain" (4 letters); the answer is FELL. It's a deletion clue: start with a word the clue points to, then drop one or more letters. Indicators include 'endlessly' (lose the last letter), 'beheaded' (lose the first), or 'heartlessly' (lose the middle). The full step-by-step breakdown is on this page.

Knock down chap emitting cry of pain (4)

14A — Knock down chap emitting cry of pain (4) — FELL