dummy
Word family noundumminessdummy rundummy
Babies, Cards
dum·my1 /ˈdʌmi/ noun (plural dummies) [countableC] 1 for clothes 用于服装DCC a model that is the shape and size of a person, especially used in order to show clothes in a shop or when you are making clothes 〔制作或陈列服装用的〕人体模型
a shop-window dummy
橱窗人体模型
a tailor’s dummy
裁缝用的人体模型
2 copy 仿制PRETEND an object that is made to look like a tool, weapon, vehicle etc but which you cannot use 〔工具、武器、车辆等的〕仿制品，仿真物品
During practice runs, the warheads in the missiles will be dummies.
在演习中使用的导弹弹头将是仿制品。
3 doll 玩具娃娃 a small model of a person, with a mouth that can be moved so that it looks as though it is talking, used for entertainment 〔用于表演，嘴巴会动的〕玩具娃娃，玩偶
a ventriloquist’s dummy
表演腹语术用的玩偶
4. sports 体育运动 British EnglishBrE a move in a sport such as football in which a player pretends to pass the ball but does not, in order to deceive the other team’s players 〔足球等运动中的〕假传球
5. 
for babies 用于婴儿DHB British EnglishBrE a specially shaped rubber object that you put in a baby’s mouth for it to suck 橡皮奶嘴 SYN American English pacifier
for babies 用于婴儿DHB British EnglishBrE a specially shaped rubber object that you put in a baby’s mouth for it to suck 橡皮奶嘴 SYN American English pacifier6 stupid person 笨蛋STUPID/NOT INTELLIGENT especially American EnglishAmE informal someone who is stupid 傻瓜，蠢货
No, you dummy. The other hand.
不对，你这个笨蛋。另一只手。
7. card game 纸牌游戏DGC cards that are placed on the table by one player for all the other players to see in a game of bridge 〔桥牌中的〕明手牌
→ spit the dummy at spit1Examples from the Corpus
dummy• He just walked around like a dummy with the rest of us with an awkward scope on his rifle.• A dummy has all the restrictive properties of a real job but no time content.• I bundle the blind dummy out.• Babies she had seen before had fat fleshy faces that spread from a central dummy.• She's no dummy.• a dressmaker's dummy• That's what I just said, dummy.• It was a perfectly ordinary leg from a shop dummy.• The dummy took three weeks' work by a team of volunteers, mostly part-time and helping when they could.• Briers threw two dummies and sprinted outside Henry Paul for his second try.
dummy2 adjectiveadj [only before noun]
PRETENDa dummy tool, weapon, vehicle etc is made to look like a real one but you cannot use it 假的，仿真的 SYN replica
a dummy rifle
仿真步枪
Examples from the Corpus
dummy• Semionov threatened the pilot with a dummy hand grenade and forced him to land the plane.• By then Ward was coming down on to the track, his false arm and dummy hand hanging limp at his side.• He claims that his dummy head does likewise.• It is a particular example of a no-operation or dummy instruction.• The candidates had been asked to supply a dummy paper with a lead story and some idea of content.• dummy rifles• Grayson dropped a ball, Kevin Maggs ran on a dummy run from the scrum and Catt was through for the try.
From Longman Business Dictionary
dummydum·my1 /ˈdʌmi/ noun (plural dummies) [countableC]
1MARKETINGa product that is made to look like a real product and is used for testing, obtaining people’s opinions etc
2MARKETINGa test advertisement or design
3a model of a human used for showing clothes in a shop window or for testing car safety
dummydummy2 adjectiveadj [only before a noun]
1MARKETINGa dummy product is made to look like a real one and is used for tests, getting people’s opinions etc
72% of the men in the group taking a dummy pill continued to lose hair.
2ORGANIZATIONSa dummy organization is used to hide the real owner of assets, or to hide criminal activities
They had set up a series of dummy corporations to buy and sell 8,000 acres of useless New Mexico desert.
3a dummy activity is used to make people think that something is happening when it is not
They used dummy trades to create a false impression of a more active market than really existed.
(1500-1600) → DUMB1