a duff
作名词指水果干布丁时，duff 是可数名词。
We had a duff with raisins and citron for dessert.
我们吃了一个带葡萄干和柠檬皮的水果干布丁当甜点。
细煤；煤屑；无用的东西
a thick, steamed or boiled flour pudding, typically containing dried fruit such as currants, raisins, or citron
A stiff flour pudding, often with dried fruit, boiled in a cloth bag, or steamed.
Coal dust, especially that left after screening or combined with other small, unsaleable bits of coal.
A pudding-style dessert, especially one made with plums or (in the Bahamas) guavas.
Fine and dry coal in small pieces, usually anthracite.
Something spurious or fake; a counterfeit; a worthless thing; a defective thing.
My grandmother used to make a traditional duff with raisins and citron every winter.
我祖母过去每个冬天都会做一种加葡萄干和柠檬皮的传统水果干布丁。
用法提示：duff 在这里是名词，指蒸煮的水果干布丁。
The recipe says to steam the duff for two hours before serving it with custard.
食谱上说，要把这种水果干布丁蒸两个小时，再配上蛋奶沙司食用。
用法提示：句中 duff 是动词 steam 的宾语，表示这种布丁。
At the village fair, several duffs were sold from a stall near the church.
在乡村集市上，教堂附近的一个摊位卖出了好几份水果干布丁。
用法提示：duffs 是 duff 的复数形式，指多份这种布丁。
作名词指水果干布丁时，duff 是可数名词。
We had a duff with raisins and citron for dessert.
我们吃了一个带葡萄干和柠檬皮的水果干布丁当甜点。
作名词指细煤、煤屑或无用的东西时，duff 是不可数名词，可用 some 修饰。
They burned some duff in the stove to keep warm.
他们在炉子里烧了一些煤屑来取暖。
作动词时，duff 是及物动词，意为“把……弄得像新的一样”。
They duffed the old chairs so they looked brand new.
他们把旧椅子翻新，让它们看起来像新的一样。
duff是pudding中较具体的一类：用面粉制成、蒸或煮、常加水果干。口语中可泛称pudding，但会丢失做法与配料信息；中文“布丁”常指蛋奶冻，与英式pudding不完全对应。
steamed pudding泛指蒸制布丁，duff是其中一种含水果干的面粉布丁；在具体菜名或正式菜谱中不宜直接互换。
plum pudding比duff更浓郁，常含油脂与香料，且多与圣诞关联；不要在所有语境下都把它当作duff的同义词。
duff 特指蒸或煮成的、含果干的面粉布丁；pudding 则是泛指甜点布丁，也可指奶蛋类软布丁，范围更宽。
dumpling 通常指小个的、包馅或实心的面食团子，多为咸食或汤食；duff 是较大块的甜味蒸布丁。
dough 是尚未蒸煮的柔软生面团，duff 是蒸煮完成的布丁成品；两者都与面粉有关，但形态、熟度和拼写都不同。
果干布丁
At the school dinner, we often had spotted duff with custard.
在学校吃晚餐时，我们经常吃果干布丁配蛋奶糊。
葡萄干布丁
Plum duff was a favorite pudding in the old navy.
葡萄干布丁是旧时海军喜爱的布丁。
无花果布丁
This figgy duff recipe comes from a small Cornish village.
这个无花果布丁食谱来自一个康沃尔小村庄。
蒸布丁
A steamed duff is soft and moist, perfect for a cold day.
蒸布丁柔软湿润，是寒冷天气的完美选择。
煮布丁
The old recipe calls for a boiled duff served with syrup.
这个老食谱要求煮布丁配糖浆食用。
圣诞布丁
We always make a Christmas duff with mixed dried fruit.
我们总是用混合干果做圣诞布丁。
面粉是制作duff这类布丁的主要原料。
duff通常用蒸制的方法烹饪。
duff也可通过水煮制作。
葡萄干是duff中常见的干果配料。
黑加仑子与葡萄干类似，常加入duff布丁中增添风味。
怀孕的（英国口语，常指意外怀孕）
She's up the duff again.
她又怀孕了。
痛打，揍一顿（英国口语）
He got duffed up by a gang of youths.
他被一帮年轻人揍了一顿。
别磨蹭了，行动起来；别站着不动
Get off your duff and do some work!
别磨蹭了，干点活吧！
达夫啤酒给我，达夫啤酒给你，我喝一杯达夫，你也喝一杯。
This jingle from The Simpsons is a famous parody of beer ads, sung by Homer about his favorite fictional brand, Duff.
这是《辛普森一家》中一首著名的广告歌模仿，霍默唱着他最爱的虚构啤酒品牌达夫。
Dictionary facts from ECDICT, WIKTIONARY.