Some people moved in silky, liquid movements, others were jerky, probably drunk.一些人动作平稳流畅，其他人则跌跌撞撞，大概是喝醉了。She lit a cigarette with quick, jerky movement.她用急促的动作点着了香烟。Jerky word is to be short of calcium likely.抽筋的话有可能是缺钙...
我认为这是儿童和少年的共同癖性.I believe this is a common habit of children and adolescents.她逐渐养成一些无害的癖性.She developed a few harmless eccentricities.所有这些都导致他去重新恢复旧癖性.All this tended to draw him back into his old habits of mind....