"He's dead, ma'am," Mr. Barrow answered with jerky brusqueness. "Died of jungle fever and business troubles combined. The jungle fever might not have killed him if he had not been driven mad by the business troubles, and the business troubles might not have put an end to him if the jungle fever had not assisted. Captain Crewe is dead!"英文原著 · 《A Little Princess》
The pupils are of normal size and react well to light and with accommodation. Station and gait are normal. There is no incoordination of movement in the arms or legs. The knee-jerks are much increased. There is an attempt at, but no true, clonus; that is, passive flexion of the foot causes two or three jerky movements. There is no glandular swelling or tumor about the jaw or in the neck. Touch and pain-sense are normal in the face and hands, but she complains of numbness in the hands as if she had on tight gloves. There is no trouble in speaking, chewing, or swallowing.英文原著 · 《Anomalies and Curiosities of Medicine》
Sometimes when you are gathering cat-tails in the river marshes an alert, nervous little brown bird rises startled from the rushes and tries to elude you as with short, jerky flight it goes deeper and deeper into the marsh, where even the rubber boot may not follow. It closely resembles two other birds found in such a place, the swamp sparrow and the short-billed marsh wren; but you may know by its long, slender bill that it is not the latter, and by the absence of a bright bay crown that it is not the shyest of the sparrows.英文原著 · 《Bird Neighbors》
He started and began to shake from head to foot, for directly in front of him was the skeleton, moving up and down in a jerky fashion and glowing with a dull fire. His hair seemed to stand on end. He dove under the coverings of the bed.英文原著 · 《Joe The Hotel Boy》
Jimmy does, giving his head a short, jerky nod for nearly every word,
and describing a circle round his crown -- as if he were stirring
a pint of hot tea -- with his forefinger, at the end of every line:英文原著 · 《On the Track》