a hedgehog is + [adj/noun]
hedgehog 是可数名词，表示“刺猬”；首次提及时通常用 a hedgehog。
A hedgehog is a small animal with spines.
刺猬是一种身上有刺的小动物。
豪猪
hedgehogs — plural of hedgehog
体型较大的啮齿动物,毛发中夹杂着尖锐的竖立刺毛；小型夜行性旧大陆哺乳动物,身上覆盖着毛发和保护性刺毛；刺猬；难交朋友的人；防卫森严的阵地
a relatively large rodent with sharp, stiff bristles mixed into its fur
A small mammal of the subfamily Erinaceinae, characterized by their spiny back and often by the habit of rolling up into a ball when attacked, native to Afro-Eurasia.
体型较大的啮齿动物,毛发中夹杂着尖锐的竖立刺毛
relatively large rodents with sharp erectile bristles mingled with the fur
A form of dredging machine.
小型夜行性旧大陆哺乳动物,身上覆盖着毛发和保护性刺毛
small nocturnal Old World mammal covered with both hair and protective spines
Certain flowering plants with parts resembling a member of family Erinaceidae
The edible fungus Hydnum repandum.
A kind of electrical transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance.
A way of serving food at a party, consisting of a half melon or potato etc. with individual cocktail sticks of cheese and pineapple stuck into it.
A type of plane curve; see Hedgehog (geometry).
Someone who has one big overarching personal philosophy or worldview.
At the nature reserve, a hedgehog with long sharp quills crossed the trail in front of us.
在自然保护区，一只长着又长又尖的尖刺的豪猪从我们面前穿过了小路。
用法提示：这里的'hedgehog'是单数名词，用作句子主语，并带'with'短语说明其尖刺特征。
The zookeeper told us not to touch the hedgehogs because their bristles can hurt.
动物园管理员提醒我们不要触摸那些豪猪，因为它们身上的刚毛可能伤到人。
用法提示：这里使用复数形式'hedgehogs'，用作'touch'的宾语，指多只豪猪。
A hedgehog uses its quills mainly to protect itself from enemies in the wild.
豪猪在野外主要用它的尖刺来保护自己免受天敌的伤害。
用法提示：这里'hedgehog'是单数名词，作主语，通过'its'和'itself'保持指代一致。
hedgehog 是可数名词，表示“刺猬”；首次提及时通常用 a hedgehog。
A hedgehog is a small animal with spines.
刺猬是一种身上有刺的小动物。
这个比喻结构常与 prickly 搭配，形容人脾气不好、难以接近。
He can be as prickly as a hedgehog when he is tired.
他累的时候会像刺猬一样浑身是刺。
在 hedgehog defense 中，hedgehog 作定语，是军事用语，指防御严密的环形阵地。
They set up a hedgehog defense around the town.
他们在镇子周围建立了刺猬式防御阵地。
仅在把 hedgehog 理解为“豪猪”时可互换；现代英语中 hedgehog 通常指“刺猬”，正式语境建议用 porcupine 以避歧义。
grammar · medium
易错句子I saw two hedgehoges in the garden.
正确表达I saw two hedgehogs in the garden.
英语中可数名词变复数时，hedgehog 以 g 结尾，直接加 -s，而不是加 -es。有些学习者受以 s、x、ch、sh 结尾加 -es 规则的过度泛化影响，误加为 hedgehoges，应改为 hedgehogs。
grammar · medium
易错句子I saw hedgehog in the garden.
正确表达I saw a hedgehog in the garden.
hedgehog 是可数名词，单数且不特指时前面需要加不定冠词 a。汉语中没有冠词，学习者常会漏掉，所以应说 a hedgehog。
中文里带刺的小动物常被统称为‘刺猬’或‘豪猪’，但英文中 hedgehog 是‘刺猬’，刺短、遇险蜷成球；porcupine 才是‘豪猪’，属啮齿动物，刺长而尖。
hedgehog 是名词‘刺猬’，而 hedge 是名词‘树篱’或动词‘回避（问题）’，两者拼写相近但词性、含义完全不同。
hedgehog 虽然以 -hog 结尾，但和‘猪’无关；hog 指‘猪’，不要因为词形相似而把 hedgehog 误认为是一种猪。
刺猬冬眠
Hedgehog hibernation usually begins in late autumn.
刺猬冬眠通常从深秋开始。
花园刺猬
You can attract garden hedgehogs by leaving a pile of leaves.
你可以留一堆落叶来吸引花园里的刺猬。
宠物刺猬
Pet hedgehogs need a specially heated cage.
宠物刺猬需要一个特别加热的笼子。
刺猬救助
She took the injured hedgehog to a local hedgehog rescue.
她把受伤的刺猬送到了当地的刺猬救助中心。
刺猬的刺
Hedgehog spines are made of keratin.
刺猬的刺由角蛋白构成。
刺猬小屋
We placed a hedgehog house under the hedge.
我们在树篱下放了一个刺猬小屋。
hedge (树篱) + hog (猪)
hedge (树篱) + row (排)
ground (地面) + hog (猪)
wart (疣) + hog (猪)
刺猬身上布满尖刺，是其最显著的特征。
刺猬主要在夜间活动，属于夜行性动物。
刺猬在寒冷冬季会进入冬眠状态以节省能量。
刺猬常栖息于地洞或自行挖洞藏身。
刺猬主要以昆虫为食，属食虫动物。
刺猬理念
They applied the hedgehog concept to focus on what they do best.
他们运用刺猬理念，专注于自己最擅长的事。
刺猬困境
The hedgehog's dilemma explains why people often keep others at arm's length.
刺猬困境解释了人们为何常与他人保持距离。
狐狸知道很多事情，但刺猬只知道一件大事。
This aphorism from the Greek poet Archilochus was popularized by Isaiah Berlin's essay 'The Hedgehog and the Fox' to describe two styles of thinking.
这句源自希腊诗人阿尔基洛科斯的格言因以赛亚·伯林的散文《刺猬与狐狸》而广为流传，用来形容两种思维方式。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.