dud

noun

1. 不中用的东西；废物
   a thing that is useless, especially because it does not work correctly
   1. Two of the fireworks in the box were duds.
      盒子里的烟火有两个是点不着的废品。
2. 衣裳
   clothes

adj.

1. 无用的；不中用的；出故障的
   useless; that does not work correctly
   1. a dud battery
      废电池
   2. a dud cheque (= written by sb who has not enough money in their bank account)
      空头支票

1. ADJ 不中用的;失灵的;出故障的
   Dud means not working properly or not successful.
   1. He replaced a dud valve.
      他换掉了坏阀门。
   2. Dud is also a noun.
      
   3. The mine was a dud.
      矿井废弃了。

1. He replaced a dud valve.
   他换掉了坏阀门。
2. This bullet is a dud.
   这颗子弹臭了。
3. We lit the firecracker and waited for it to go off, but it was a dud.
   我们点燃了炮竹然后等它爆炸，但是失败了。
4. Not only does this mean that MAKEDEV is no longer needed ( since all registered devices simply "appear" in/ dev), but it means that/ dev is no longer cluttered with hundreds of "dud" device nodes.
   这不仅仅意味着不再需要MAKEDEV（因为所有注册的设备都只“出现”在/dev中），还意味着/dev不再被成百个“无用的”设备节点所充斥。
5. Along the way, it's very likely that it will hit several "dud" device nodes.
   在检测进程中，很可能命中几个“无用的”设备节点。
6. With Chrysler's market share in a death spiral, Fiat will finally grasp that this dud is exactly that-a dud.
   眼见克莱斯勒的市场份额呈现死亡式螺旋下降，菲亚特会最终认识到这个不中用的公司还真就是不中用了。
7. Although the deal itself is a dud, it does have logic on its side.
   尽管这种待遇本身是一张空头支票，它的确有它的逻辑。
8. There is something distinguished about being such a spectacular dud on social networks.
   成为这样一个与众不同的社交网络废物，也是一番成就。
9. I swear I've never passed a dud cheque in my life.
   我发誓我一辈子从未开过一张假支票。
10. However, problems with dud mortgages may worsen as the economy slows.
    然而，随着经济放缓，劣质抵押贷款带来的问题可能会进一步恶化。
11. I had discovered that the grenade was a dud.
    我发现那颗手榴弹已不管用。
12. I was married to dud rogers.
    我和达德罗杰斯结婚了。
13. The shells are of poor quality, there is another dud here.
    这批子弹质量真差，这又是一颗瞎火。
14. The defining characteristic of a true dud is that he or she resists improvement staunchly.
    真正的庸才最典型的特点是：他（或她）会坚决抵制进步。
15. One of the customers tried to pass off a dud cheque today.
    今天一个顾客试图混用失效支票。
16. Not one of the books she has written has been a dud.
    她写的书没有一本是有用的。
17. It focuses on what's to come, not on the dud you're glad she's done with.
    这句话的重点是未来，而且很支持她这样做。
18. But Jobs likely knew he had a dud on his hands; consumers, for their part, hated it.
    乔布斯心里很清楚，他手里拿的是个哑弹，一个失败的产品，消费者肯定会憎恨这个东西。
19. "It's a dud, I guess," said the goose.
    “我想，它是个坏品。”母鹅这样说。
20. Preliminary Research of Objective Recognition and Location System for Dud Cleaning Robot
    哑弹清理机器人目标识别与定位系统初步研究
21. He'd stepped on a dud mine.
    他踩在一枚哑雷上。
22. Better still, only a small portion of these loans are dud.
    更好的是，这些贷款中只有一小部分是不良贷款。
23. People predicted that by week's end Obama would either be a major star or a major dud.
    有人预测，本周末奥巴马要么是个明星要么是个哑弹。
24. They gave me a dud dollar bill.
    他们给了我一张面值一美元的假钞。
25. Not only is it easier for institutions to eject a dud chief executive.
    不但机构比较容易罢免无能的首席执行官。
26. When you can't stand to stay out with a dud any longer, just say good-bye.
    如果你受不了跟一个混球见面，把他甩了就是。
27. However, several said that the seismic data suggested the explosion was significantly smaller than would have been expected from a plutonium bomb and could have been a dud.
    不过，其中多人表示，地震数据显示，此次爆炸的威力要远远小于钚弹爆炸的威力，有可能是个哑弹。
28. The new manager is a complete dud.
    新经理完全是个废物。
29. Rapidly rising bank lending inevitably creates more dud loans.
    快速上升的银行放贷，不可避免地会带来更多不良贷款。
30. And ironically, it's now your money that will be used to repay those dud mortgages because we on Wall Street are running out of money.
    具有讽刺意味的是，现在得用你们的钱来偿还那些问题抵押贷款了，因为我们华尔街没钱了。

noun

1. an event that fails badly or is totally ineffectual
   1. the first experiment was a real turkey
   2. the meeting was a dud as far as new business was concerned

   Synonym:    turkeybomb

2. an explosion that fails to occur

   Synonym:    misfire

3. someone who is unsuccessful

   Synonym:    flopwashout

adj

1. failing to detonate
   1. he stepped on a dud mine