词典释义：
an omnivorous domesticated hoofed mammal with sparse bristly hair and a flat snout for rooting in the soil, kept for its meat
猪。
a wild animal of this family
野猪。亦称<Bold>HOG</Bold>.
〈北美〉 小猪。
[mass noun]the flesh of a pig, especially a young one, as food
猪肉（尤指乳猪肉）。
〈非 正式〉 猪一样（贪婪、肮脏、讨厌）的人；猪猡
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I bet he has scoffed them all, greedy pig. 我敢打赌，他把东西全都吃光了，馋猪。
〈非 正式，贬〉 警察。
〈英，非正式〉 令人不开心的事情（或任务）；困难的事情（或任务）
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it's a pig of a job. 这份差事可真不好干。
an oblong mass of iron or lead from a smelting furnace
生铁块；生铅锭。参见<Bold>PIG IRON</Bold>.
a device which fits snugly inside an oil or gas pipeline and is sent through it to clean or test the inside, or to act as a barrier
清管器。
〈非 正式〉 贪婪地吃，狼吞虎咽
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lovesick people pig out on chocolate. 害相思病的人会大吃巧克力。
〈非正式〉 像猪一样挤在一起
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he didn't approve of the proposal to pig it in the studio. 他不同意一堆人全都挤在画室里的建议。
(of a sow)give birth to piglets; farrow
（母猪）生小猪，产小猪。
operate a pig within an oil or gas pipeline
（在石油或天然气管道中）操作清管器。
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bleed like a stuck pig bleed copiously 血流如注 -
in pig （of a sow） pregnant （母猪）怀小猪的；怀孕的 -
in a pig's eye informal ,chiefly N. Amer. expressing scornful disbelief at a statement 〈非正式，主北美〉 决不，当然不 -
make a pig of oneself informal overeat 〈非正式〉 狼吞虎咽，猛吃 -
make a pig's ear of Brit. informal handle ineptly 〈英，非正式〉 把…弄糟 -
on the pig's back Irish informal living a life of ease and luxury； in a very fortunate situation 〈爱尔兰，非正式〉 享受悠闲、奢侈生活的；很走运的 -
pig in the middle 见PIGGY 条piggy in the middle .a pig in a poke something that is bought or accepted without knowing its value or seeing it first 瞎买的东西；盲目接受的东西 -
pigs might （或can ）fly chiefly Brit. used ironically to express disbelief 〈主英〉 无稽之谈 -
squeal or yell like a stuck pig squeal or yell loudly and shrilly 杀猪般地嚎叫 -
sweat like a pig informal sweat profusely 〈非正式〉 汗流雨下；汗流如注
"Middle English： probably from the first element of Old English
