obstacle/bar/barrier/obstruction.导航词义：障碍

1. obstacle:n. 障碍（物）.指在达到目的或前行的过程中必须消除或绕过的障碍（物），可以是具体的或抽象的东西。

Terrorism is an obstacle to peace.

恐怖主义是和平的障碍。

His car hit an obstacle yesterday in the competition.

昨天他的车在比赛中撞上了障碍物。

2. bar:n. 障碍，妨碍.指做某事的障碍，通常为抽象之物。

They have decided to set a bar to competition.

他们已经决定要设置障碍以阻止竞争。

At that time being a woman was a bar to promotion in this profession.

那时在这一职业中，身为女性便是晋升的障碍。

3. barrier:n. 障碍，壁垒.多指产生阻碍或限制作用的政策、法律、问题等。

The removal of trade barriers means a lot to that country.

贸易壁垒的消除对那个国家而言意义重大。

What remains the biggest barrier to women succeeding at work?

女性取得事业成功的最大障碍是什么？

4. obstruction:n. 障碍物，阻塞物.指堵塞道路、通道、管道等的东西。

There may be an obstruction in the drainpipe.

排水管里可能有阻塞物。

Remove the vehicle that is causing the obstruction.

把造成阻塞的车辆挪走。

全部

1·Overcrowding remains a large obstacle to improving conditions.

过度拥挤仍然是改善条件的一大障碍。《柯林斯英汉双解大词典》

2·A lack of qualifications can be a major obstacle to finding a job.

学历不足可能成为谋职的主要障碍。《牛津词典》

3·Most competition cars will only roll over if they hit an obstacle.

多数赛车在撞到障碍物时都会翻车。《柯林斯英汉双解大词典》

4·She is an adept rock-climber and a past master of the obstacle course.

她擅长攀岩，也是障碍超越训练场上的老手。《柯林斯英汉双解大词典》

5·The falls have always been an insurmountable obstacle for salmon and sea trout.

这些瀑布始终是鲑鱼和海鳟鱼不可逾越的障碍。《柯林斯英汉双解大词典》

6·The agreement removes the last serious obstacle to the signing of the arms treaty.

该协议为武器条约的签署去除了最后一个重大障碍。《柯林斯英汉双解大词典》

7·To him, it was the biggest obstacle.

对他来说，这是最大的障碍。

8·It was another obstacle he had to go over.

这是他需要克服的又一个障碍。

9·It may be an obstacle to expanding one's connections.

这可能是扩展人际关系的障碍。

10·Time, I realize, is the biggest obstacle to cooking for most people.

我意识到，对大多数人来说，时间是做饭的最大障碍。

障碍

1·Overcrowding remains a large obstacle to improving conditions.

过度拥挤仍然是改善条件的一大障碍。《柯林斯英汉双解大词典》

2·A lack of qualifications can be a major obstacle to finding a job.

学历不足可能成为谋职的主要障碍。《牛津词典》

3·She is an adept rock-climber and a past master of the obstacle course.

她擅长攀岩，也是障碍超越训练场上的老手。《柯林斯英汉双解大词典》

4·The falls have always been an insurmountable obstacle for salmon and sea trout.

这些瀑布始终是鲑鱼和海鳟鱼不可逾越的障碍。《柯林斯英汉双解大词典》

5·The agreement removes the last serious obstacle to the signing of the arms treaty.

该协议为武器条约的签署去除了最后一个重大障碍。《柯林斯英汉双解大词典》

障碍物

1·However, the research found that automatic steering intervention is still a delicate issue in the industry because changing course opens up the possibility of vehicle collision with another obstacle.

但是，研究发现自动转向干预仍是汽车工业中一个专项问题，因为行使路线的改进将增加与其他障碍物碰撞的可能性。

2·For now, we can warn the driver of any obstacle in the way and minimize the effects of a crash to some degree.

至于目前，我们可以提醒司机道路上是否有障碍物，并且尽量减小车祸造成的损伤。

3·There is an underwater obstacle section. Participants have to hold their breath and make their way through the muddy, freezing water.

这里进行的是水下障碍物项目，挑战者必须屏住呼吸穿越冰冷的泥潭。

4·Stone as a kind feature of moon surface, it will be a kind of obstacle to moon vehicle run.

石块作为月球表面的一种地理特征，将成为月球车行驶的障碍物。

5·Machine vision based intelligent vehicle navigation, including road detection and obstacle detection, is very important in the intelligent vehicle systems.

基于机器视觉的智能车辆导航是智能车辆系统的关键，包括道路检测和障碍物检测两部分。

妨碍

1·Stigma against people living with HIV has also eased in some countries despite the significant obstacle it poses for prevention, treatment and mitigation efforts.

有些国家对艾滋病病毒感染者的蔑视也减轻了，尽管它仍然严重妨碍预防、治疗和减轻影响的工作中。

2·One obstacle to healthy eating at fast food restaurants is the lack of knowledge of the nutritional content of your favorite items.

一个方面，在快餐店里妨碍健康饮食主要表现在缺乏知识、能让你满意的营养内容。

3·I understand this is an obstacle to the novel, but I have no way to overcome.

这也是在下了解小讲的妨碍，但在下却是没方法去克制。

4·Differences between the social systems of states shall not be an obstacle to their approachment and co-operation.

各国社会制度不同，但不应妨碍彼此接近与相互合作。（转换成汉语偏正复句的转折句）

5·Be sure, Dicey's theory had some defects, but they are not to be the obstacle of Inheriting and Carring forward Dicey's theory.

诚然，戴雪的理论是有缺陷，但是这并不妨碍对戴雪理论中某些核心价值的继承与发扬。

障

1·Based on geometrical switch of velocity obstacle, reachable avoidance velocity has been proposed, thereby ensure latency obstacles in the path of movement.

通过遇障速度的几何变换产生可达避障速度，从而确定运动路径上潜在的障碍物。

2·These speed ranges have been assumed for use in calculating airspace and obstacle clearance for each procedure.

这些速度范围用于为每一个程序计算空域和超障余度。

3·Wheeled mobile mechanism is a steady and fast mobile mechanism but obstacle capability, so improving its performance on obstacle-navigation is a research highlight all the time.

轮式移动机构向来以平稳、快速见长，但越障性较差，故提高其越障性能一直是人们研究的重点。

4·Analyzed the limitation of the ultrasonic sensor in the underground drilling robot avoids obstacle, put forward the scheme solved.

分析了井下钻孔机器人避障中超声波传感器的局限性，并提出解决方案。

5·A wheel-legged structure with insectival leg configuration in a ground mobile robot was presented in order to improve the terrain adaptability and obstacle climbing capability of the robot.

为了提高地面移动机器人的地面适应性和越障能力，通过模仿昆虫的腿形，在移动机器人机械本体上设计了一种轮式腿结构。

阻挡物

1·Diffraction - not only will a wave of sound reflect or absorb but it can go over the obstacle.

衍射-声音虽然会被反射已经吸收，但是他能绕过阻挡物。

干扰

1·What can we do about it? That style of communication will lessen your partner's defensive reaction, and turn an obstacle into something you tackle together.

这样的沟通可以减轻你伴侣的防御反应，把你对其的干扰变成你们共同处理的事情。

(1)obstacle coursen. 超越障碍训练场