dud
英 [dʌd]
美 [dʌd]
n.  不中用的东西; 废物; 衣裳
adj.  无用的; 不中用的; 出故障的
Collins.1 / BNC.33070 / COCA.16646
牛津词典
noun
- 不中用的东西;废物
a thing that is useless, especially because it does not work correctly- 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。 
 - Two of the fireworks in the box were duds.
 - 衣裳
clothes 
adj.
- 无用的;不中用的;出故障的
useless; that does not work correctly- a dud battery
废电池 - a dud cheque (= written by sb who has not enough money in their bank account)
空头支票 
 - a dud battery
 
柯林斯词典
- ADJ 不中用的;失灵的;出故障的
Dudmeans not working properly or not successful.- He replaced a dud valve.
他换掉了坏阀门。 - Dudis also a noun.
 - The mine was a dud.
矿井废弃了。 
 - He replaced a dud valve.
 
英英释义
noun
- an event that fails badly or is totally ineffectual
- the first experiment was a real turkey
 - the meeting was a dud as far as new business was concerned
 
 - an explosion that fails to occur
 - someone who is unsuccessful
 
adj
- failing to detonate
- he stepped on a dud mine
 
 
双语例句
- 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - I had discovered that the grenade was a dud.
我发现那颗手榴弹已不管用。 - 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。 - The new manager is a complete dud.
新经理完全是个废物。 - 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。 
