run的用法
run的词性：v.（动词）ran[] run， running， runs；v.intr.（不及物动词）
1. To move swiftly on foot so that both feet leave the ground during each stride.跑，奔：每跨一步时双脚同时离开地面地快速移动。
2. To move at a fast gallop. Used of a horse.奔驰：飞跑，疾驰。用于指马；To retreat rapidly; flee:快速撤退；逃跑；用法与例句：seized the money and ran.抓了钱就跑。To move without hindrance or restraint:跑来跑去；自由自在地走动；用法与例句：dogs that always ran loose.总是自由活动的狗。
3. To keep company:结伴，交往；用法与例句：runs with a wild crowd.与一群野蛮的人为伴；To go or move about from place to place; roam;乱走，游荡：从一地到另一地的走动或移动；游荡；用法与例句：I am always running about, looking for my glasses.我总是在到处走，寻找我的眼镜。
4. To migrate, especially to move in a shoal in order to spawn. Used of fish.洄游：移动，尤指为产卵而在浅滩游动。用于指鱼。To move or go quickly; hurry:赶走，赶紧：快速移动或走动；赶快；用法与例句：run for the police; ran for help.赶快去警察局；赶快去求救。
5. To go when in trouble or distress；投靠：遇麻烦或消沉时去；用法与例句：He is always running to his lawyer.他总是去投靠他的律师。To make a short, quick trip or visit；跑一趟（很短的距离）；到很近的地方去一会或拜访一下；用法与例句：ran next door to borrow a cup of sugar; ran down to the store.快去隔壁借一杯糖；去一趟百货店。
6. To take part in a race or contest；竞赛：参加比赛或竞争；用法与例句：ran in the marathon; athletes who run for the gold medal.参加马拉松跑；运动员为金牌而赛。To compete in a race for elected office；竞选：参加竞选某一职位；用法与例句：ran for mayor.竞选市长。
