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- Knock down: To cause any part of an obstacle to fall. 碰倒障碍：使障碍物的任何一部分下落。
- One day, Bob saw the boys knock down an old man with their bikes. 有一天，鲍勃看到那些男孩们骑着自行车撞倒了一位老人。
- Pierce Ankle knocks down an enemy and reduces it's movement speed. 击倒敌人,并减慢他的移动速度。
- To cause to knock against an obstacle. 使撞上障碍物。
- Lack of education is an obstacle of success. 缺乏教育是成功的障碍。
- The hem of your dress needs to be let down an inch. 你衣肤的折边有必要放长1英寸。
- An obstacle or a span to be jumped. 需跳越的障碍或跨度
- The bus stopped to set down an old lady. 公共汽车停下来让一个老太太下车。
- An obstacle to or a censoring of free speech. 言论限制对言论自由的审查或言论自由的障碍
- A ball of lead will weigh down an equal bulk of feathers. 一个铅球要比同样大小的羽毛团重。
- A sand trap serving as an obstacle on a golf course. 障碍，洞在高尔夫球比赛中用作障碍物的沙坑
- Knock down the machine before shipping. 在装运前把机器拆卸开来。
- Her parents' opposition is an obstacle to her marriage. 她父母的反对是她结婚的障碍。
- How much does he knock down a week? 他一星期挣多少钱？
- Not be able to pass his mathematics exam proved an obstacle to his career. 他数学考试不及格是他前途上的一大障碍。
- He went into the kitchen in search of food and wolfed down an apple pie. 他走进厨房去找吃的，狼吞虎咽一般吃了个苹果馅饼。
- An obstacle, such as a sand trap, found on a golf course. 障碍地区如沙障等高尔夫球球道上的障碍物
- The first is to knock down your competitors. 最高境界是:干掉你的竞争对手。
- Lease don't knock down all those cans. 请不要把那些罐子碰倒。
- The editor pared down an essay for publication. 编辑把文章删节后供发表。
