Jekyll and Hyde

single person with two personalities, one good (Jekyll) and one bad (Hyde) 有善恶双重人格的人: I'd never have expected him to behave like that; he's a real Jekyll and Hyde. 我从来没有想到他会那样, 他真是有善恶双重人格.

jaw, jaw-bone, jay, jay-walk, jay-walker, jazz, jazzy, je ne sais quoi, jealous, jealously, jealousy, jean, jeans, Jeep, jeer, jeering, Jefferson Airplane, Jehovah, Jehovah's Witness, jejune, jell, jellied, jelly, jelly baby, jellyfish, jemmy, jeopardise, jeopardize, jeopardize, jeopardise, jeopardy, jerboa, jeremiad, jerk, jerkily, jerkin, jerkiness, jerky, Jerome Kagan, Jerry McNeely, jerry-build,