用knock sb.out造句用 knock over 用 once a week 造句 knock off knock

The big boy knocked him over.那个大个子男孩把他打倒了.They usually see film once a week.通常他们每周看一次电影.They knocked off the price of this fruit.他们降低了这种水果的价格.When doing his homework,he knocked it off.做家庭作业的时候,他快速的做完了.He knocked the thief out and send him to the police station.他把小偷打昏了并把他扭送到了警察局.