Word · Frequency #33070
dud
/dʌd/
adjective
未爆炸的；哑火的
failing to detonate; especially not charged with an active explosive
- 1.
Useless; failing; ineffective.
无用的；失败的；无效的。
无用的；失败的；无效的。；无用的
In use
The dud firework didn't explode, so the children were disappointed.
Farmers often find dud shells in their fields after the war ended.
The bomb disposal robot picked up the dud bomb and moved it to a safe place.
a dud
指失败或无用的东西。
The fireworks were a dud.
烟花是个哑弹。
dud + noun
dud作形容词，表示不成功的或无效的。
He told a dud joke.
他讲了个不成功的笑话。
duds
duds是非正式用语，指衣服，尤指特定场合穿的。
He was wearing his best duds.
他穿着他最好的衣服。
Common mistakes
The movie was dud.The movie was a dud.
dud 作名词时可数，需要冠词或复数形式；此处意为“失败的事物”，应用不定冠词 a。
These fireworks are dud.These fireworks are duds.
主语是复数，谓语应用复数名词 duds 表示“多个哑弹”或“多个无用物”。
Connections
Learner notes
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.