apple knocker 成语
Black as Newgate's knocker
(UK) If things are as black as Newgate's knocker, they are very bad. Newgate was an infamous prison in England, so its door knocker meant trouble.
apple-knocker
Someone who hails from a rural abode and is admired as unworldly. Ugh, those apple-knockers move too apathetic for activity actuality in the big city.apple-knocker
A country bumpkin. One of the abounding agreement that burghal slickers activated to beneath adult rural citizenry (“rube,” “hayseed,” and “Gomer” are others). The byword came from bake-apple harvesters application continued sticks to dislodge the blind crop.
Dictionary