How do I solve 9 down in Express Cryptic 20260521?

Question

Accepted Answer

9 down reads "Unconventional person is a brat across the Channel" (6,8 letters); the answer is ENFANT TERRIBLE. It's a cryptic definition: the whole clue is a playful or punny description of the answer. No wordplay decomposition to do — read laterally and identify what's being described. The full step-by-step breakdown is on this page.

Unconventional person is a brat across the Channel (6,8)

9D — Unconventional person is a brat across the Channel (6,8) — ENFANT TERRIBLE