jack knife

简明释义

水手刀

英英释义

例句

1.She always carries a jack knife for emergency situations.

她总是携带一把折刀以备紧急情况。

2.The truck driver had to be careful not to let the trailer jack knife while making the sharp turn.

卡车司机在急转弯时必须小心，不让拖车翻转。

3.The car jack knifed on the icy road, causing a multi-car pileup.

汽车在冰冷的道路上翻转，导致多车相撞。

4.During the storm, the boat jack knifed and capsized.

在暴风雨中，船只翻转并倾覆。

5.He used a jack knife to cut the rope while camping in the woods.

他在树林露营时用一把折刀来切绳子。

作文

The term jack knife can refer to different concepts depending on the context in which it is used. In a literal sense, a jack knife is a type of folding knife that features a blade that folds into the handle. This design makes it convenient for carrying and using in various situations, whether for camping, fishing, or everyday tasks. The versatility of the jack knife has made it a popular tool among outdoor enthusiasts and craftsmen alike.However, the term jack knife also has a significant meaning in the world of transportation, particularly in relation to trucks and trailers. A jack knife accident occurs when a trailer swings out to the side of a towing vehicle, creating a dangerous angle between the two. This situation often arises when a driver brakes suddenly or turns sharply while towing a trailer. The resulting angle can lead to loss of control, causing the trailer to skid and potentially collide with other vehicles or obstacles. Understanding how to prevent a jack knife scenario is crucial for anyone who operates a vehicle with a trailer.To avoid a jack knife incident, drivers should maintain a safe following distance, especially in adverse weather conditions. It is essential to brake gradually rather than abruptly, allowing both the towing vehicle and the trailer to slow down evenly. Additionally, making wide turns and being mindful of the trailer's position relative to the towing vehicle can help prevent this hazardous situation.In a more figurative sense, the phrase jack knife can be used to describe a sudden change or reversal in circumstances. For instance, one might say that a business deal took a jack knife turn when unexpected challenges arose, leading to a complete shift in strategy. This usage highlights the unpredictability of life and the need for adaptability in the face of unforeseen events.Moreover, the concept of the jack knife can extend to personal experiences as well. Imagine a student who has been performing well academically but suddenly faces a significant setback, such as failing an important exam. This situation could be described as a jack knife moment in their educational journey, requiring them to reassess their approach and find new strategies to succeed.In conclusion, the term jack knife encompasses various meanings, from a practical tool to a critical concept in driving safety and personal experiences. Whether discussing the physical attributes of a folding knife, the dangers of a trailer accident, or the metaphorical implications of sudden changes, understanding the multifaceted nature of the jack knife can enhance our communication and comprehension of diverse situations. As we navigate through life, we may encounter our own jack knife moments, reminding us to stay vigilant and adaptable to whatever challenges come our way.

“jack knife”这个短语在不同的上下文中可以指代不同的概念。在字面意义上，jack knife是一种折叠刀，其刀片可以折叠进刀柄。这种设计使得它在露营、钓鱼或日常任务中都非常方便携带和使用。jack knife的多功能性使其成为户外爱好者和工匠们的热门工具。然而，在运输领域，尤其是与卡车和拖车相关的情况下，jack knife这个术语也具有重要意义。jack knife事故发生在拖车向牵引车辆一侧摆动时，导致两者之间形成危险的角度。这种情况通常发生在驾驶员突然刹车或急转弯时。由此产生的角度可能导致失控，使拖车打滑并可能与其他车辆或障碍物相撞。了解如何防止jack knife场景对任何操作拖车的驾驶员来说都是至关重要的。为了避免jack knife事件，驾驶员应保持安全的跟车距离，特别是在恶劣天气条件下。逐渐刹车而不是突然刹车是至关重要的，这样可以让牵引车和拖车均匀减速。此外，宽转弯并注意拖车相对于牵引车的位置，可以帮助防止这种危险情况。在更比喻的意义上，jack knife这个短语可以用来描述环境的突然变化或逆转。例如，人们可能会说，一笔商业交易在出现意外挑战时发生了jack knife的转变，导致策略的完全改变。这种用法突显了生活的不可预测性以及在面对意外事件时适应能力的重要性。此外，jack knife的概念也可以扩展到个人经历。例如，想象一个学业表现良好的学生，但突然面临重大的挫折，比如未能通过一门重要考试。这种情况可以被描述为他们教育旅程中的jack knife时刻，迫使他们重新评估自己的方法并找到新的成功策略。总之，jack knife这个术语包含了多种含义，从实用工具到驾驶安全和个人经历中的关键概念。无论是讨论折叠刀的物理属性、拖车事故的危险性，还是突发变化的隐喻含义，理解jack knife的多面性都可以增强我们对各种情况的沟通和理解。当我们在生活中航行时，可能会遇到自己的jack knife时刻，提醒我们保持警惕并适应所面临的挑战。