1
- a domesticated carnivorous mammal that typically has a long snout, an acute sense of smell, non-retractile claws, and a barking, howling, or whining voice. It is widely kept as a pet or for work or field sports.狗, 家犬。
1.1
- Canis familiaris, family Canidae (the dog family); probably domesticated from the wolf in the Mesolithic period. The dog family also includes the wolves, coyotes, jackals, and foxes.拉丁名Canis familiaris,犬科; 可能驯养自中石器时代的狼。犬科动物亦包括狼、丛林狼、胡狼和狐狸。
1.2
- a wild animal of the dog family犬科野生动物。
1.3
- the male of an animal of the dog family, or of some other mammals such as the otter犬科（或水獭等）雄性动物：
as modifier a dog fox.一只雄狐狸。
1.4
the dogs
Brit. informal greyhound racing〈英, 非正式〉跑狗; 赛狗：a night at the dogs.
在赛狗场度过的一晚上。
1.5
- (in extended and metaphorical use) referring to behaviour considered to be savage, dangerous, or wildly energetic（用其引申和比喻）野蛮（或危险、狂野）的行为：
he attacked the PC like a mad dog
他像疯狗一样攻击那个警员
we fought like cat and dog the whole time.
我们一直像猫狗一样争斗不休。
2
- often with adj. informal a man regarded as unpleasant, contemptible, or wicked〈非正式〉讨厌的人; 可鄙的人; 邪恶的人。
2.1
- with adj. dated used to refer to a person of a specified kind in a tone of playful reproof, commiseration, or congratulation〈旧〉［用于调侃式的责备、同情或恭贺的口吻］家伙; 可怜虫：
your historian is a dull dog
你的历史学家无趣得很
you lucky dog!
你这个幸运的家伙！
2.2
- used in various phrases to refer to someone who is abject or miserable, especially because they have been treated harshly用于不同的短语 （尤指因为受到虐待）可怜（或悲惨）的人：
I make him work like a dog
我让他像只狗一样可怜地工作
Rab was treated like a dog.
拉布的待遇猪狗不如。
2.3
- informal, offensive a woman regarded as unattractive〈非正式, 冒犯〉无吸引力的女人。
2.4
- informal, Austral. an informer or a traitor〈非正式, 澳〉告密者; 叛徒：
one day she's going to turn dog on you.
总有一天, 她会把你给出卖了。
2.5
- informal, chiefly N. Amer. a thing of poor quality; a failure〈非正式, 主北美〉劣质品; 失败：
a dog of a film.
一部失败的电影。
2.6
- informal a horse that is slow or difficult to handle〈非正式〉慢马; 难以驾驭的马。
3
- used in names of dogfishes, e.g. sandy dog, spur-dog用于狗鲨名称中, 如sandy dog, spur-dog。
4
- a mechanical device for gripping抓夹的机械装置。
5
dogs
N. Amer. informal feet〈北美, 非正式〉脚。
6
dogs
Horse Racing, US barriers used to keep horses off a particular part of the track【赛马】〈美〉防止马匹进入跑道特定区域的障碍物。
(dogged, dogging)with obj.
1
- follow (someone or their movements) closely and persistently（持续且紧紧地）跟踪（某人或其活动）：
photographers seemed to dog her every step.
摄影记者似乎对她步步紧跟。
1.1
- (of a problem) cause continual trouble for（问题）侵扰：
the twenty-nine-year-old has constantly been dogged by controversy.
那个29岁的年轻人一直被这场争论困扰着。
2
dog it
informal, chiefly N. Amer. act lazily; fail to try one's hardest〈非正式, 主北美〉磨洋工; 未尽全力。
3
- grip (something) with a mechanical device用机械装置抓（或夹）：
with obj. and complement she has dogged the door shut.她用东西把门夹上。
短语
dog and bone
- rhyming slang a telephone〈谐俚〉电话。
dog eat dog
- used to refer to a situation of fierce competition in which people are willing to harm each other in order to succeed人吃人（指残酷无情的竞争）：
New York is a dog-eat-dog society.
纽约是一个人吃人的社会。
dog in the manger
1
- inclined to prevent others from having or using things that one does not need oneself占马槽的狗; 占着茅坑不拉屎。
1.1
- a person who does this占着茅坑不拉屎的人。
- ORIGIN: alluding to the fable of the dog that lay in a manger to prevent the ox and horse from eating the hay.
dog-and-pony show
- N. Amer. an elaborate display or presentation〈北美〉精心安排的盛大演出（或展示）。
a dog's age
- N. Amer. informal a very long time〈北美, 非正式〉好久; 很长时间：
the best I've seen in a dog's age.
很久以来我所见到的最好的。
dogs bark, but the caravans move on
- proverb people may make a fuss, but it won't change the situation〈谚〉狗虽叫, 商队还是会继续前进; 说者自说, 我行我素。
the dog's bollocks
- Brit. vulgar slang a person or thing that is the best of its kind〈英, 粗俚〉最好的人（或物）。
a dog's dinner（或breakfast）
- Brit. informal a poor piece of work; a mess〈英, 非正式〉干得很差的工作; 一团糟：
we made a real dog's breakfast of it.
我们把这事弄得真够糟的。
a dog's life
- an unhappy existence, full of problems or unfair treatment（充满问题和不公正待遇的）不愉快的生活：
he led poor Amy a dog's life.
他让可怜的埃米过着不幸的生活。
the dogs of war
- poetic/literary the havoc accompanying military conflict〈诗/文〉战争浩劫。
- [ORIGIN: from Shakespeare's Julius Caesar （iii. 1.274）.]
dressed (up) like a dog's dinner
- Brit. informal wearing ridiculously smart or ostentatious clothes〈英, 非正式〉可笑地穿着时髦（或显摆）的衣服。
every dog has his（或its）day
- proverb everyone will have good luck or success at some point in their lives〈谚〉凡人皆有得意时。
give a dog a bad name and hang him
- proverb it's very difficult to lose a bad reputation, even if it's unjustified〈谚〉欲加之罪, 何患无辞; 人言可畏。
go to the dogs
- informal deteriorate shockingly〈非正式〉急剧恶化：
the country is going to the dogs.
这个国家正走向衰亡。
hair of the dog
- 见HAIR.
let sleeping dogs lie
- 见SLEEP.
like a dog with two tails
- used to emphasize how delighted someone is非常开心：
'Is he pleased?''Like a dog with two tails.'
“他高兴吗？”“开心得不得了。”
not a dog's chance
- no chance at all根本没有机会。
put on the dog
- N. Amer. informal behave in a pretentious or ostentatious way〈北美, 非正式〉自大; 显摆：
we have to put on the dog for Anne Marie.
对安妮·玛丽我们可要摆摆架子。
rain cats and dogs
- 见RAIN.
as sick as a dog
- 见SICK1.
throw someone to the dogs
- discard someone as worthless抛弃; 摒弃：
young people look upon the older person as someone to be thrown to the dogs.
年轻人认为老年人是一文不值的。
you can't teach an old dog new tricks
- proverb you cannot make people change their ways〈谚〉没法让老狗学新把戏; 很难让人们改变他们的方式。
why keep a dog and bark yourself?
- proverb why pay someone to work for you and then do the work yourself〈谚〉为什么养条狗还要自己来叫; 为什么雇了人还要自己来做?
派生词
doglike
adjective词源
Old English docga, of unknown origin.