as stubborn as a mule
固定明喻，形容人非常固执。
He is as stubborn as a mule and never changes his mind.
他像骡子一样固执，从不肯改变主意。
骡
mules — plural of mule
一种前部覆盖脚面、后部无鞋帮或鞋带、露出脚跟的鞋；公驴与母马所生的杂交后代；通常不育；后跟无包裹的拖鞋；一种游艇用的三角帆；一种纺棉机
The generally sterile male or female hybrid offspring of a male donkey and a female horse.
一种前部覆盖脚面、后部无鞋帮或鞋带、露出脚跟的鞋
Any shoe with an upper covering the front of the foot but without a back flap or strap, leaving the heel exposed.
公驴与母马所生的杂交后代；通常不育
hybrid offspring of a male donkey and a female horse; usually sterile
The generally sterile hybrid offspring of any two species of animals.
后跟无包裹的拖鞋
a slipper that has no fitting around the heel
A coin or medal minted with obverse and reverse designs not normally seen on the same piece, either intentionally or in error.
A MMORPG character, or NPC companion in a tabletop RPG, used mainly to store extra inventory for the owner's primary character.
Any of a group of cocktails involving ginger ale or ginger beer, citrus juice, and various liquors.
一种游艇用的三角帆
A kind of triangular sail for a yacht.
一种纺棉机
A kind of cotton-spinning machine.
The farmer used a mule to carry heavy sacks up the mountain path.
农夫用一头骡子把沉重的麻袋驮上山间小路。
用法提示：此处“mule”作名词，指驴和母马杂交所生的骡子，句中用作“used”的宾语。
Mules are known for being stronger and more patient than horses.
骡子以比马更强壮、更有耐心而闻名。
用法提示：“Mules”为“mule”的复数形式，作主语，指代骡这种杂交动物。
She watched the mule pull a plow across the field.
她看着骡子拖着犁穿过田地。
用法提示：“mule”在此句中作“watched”的宾语，指具体的一头骡子。
固定明喻，形容人非常固执。
He is as stubborn as a mule and never changes his mind.
他像骡子一样固执，从不肯改变主意。
用‘a mule’指代倔强的人，为比喻用法。
If you refuse to listen to others, you are being a mule.
如果你拒绝听别人的意见，那你就是在犯犟。
grammar · medium
易错句子There are many mule on the farm.
正确表达There are many mules on the farm.
mule 是可数名词，复数形式为 mules；汉语“许多骡子”没有复数标记，但英语中复数概念必须用复数形式。
grammar · medium
易错句子He is as stubborn as mule.
正确表达He is as stubborn as a mule.
在 as...as... 比较结构中，mule 是单数可数名词，前面需要不定冠词 a；汉语“像骡子一样犟”没有冠词，容易漏掉。
针对“骡”义项（公驴和母马杂交的后代），纯种动物是直接反义；该对比只涉及“骡”作为杂交动物的义项，不适用于“倔强之人”。
像骡子一样倔强
He is as stubborn as a mule and won't listen to anyone.
他像骡子一样倔强，谁的话都不听。
驮运骡子
They loaded the pack mule with boxes of food.
他们把一箱箱食物装上了驮运骡子。
骡队
A long mule train crossed the rocky pass.
一支长长的骡队穿过了岩石隘口。
像骡子一样拼命干活
She works like a mule all day on the farm.
她整天在农场像骡子一样拼命干活。
骡鹿；长耳鹿
A mule deer stood still among the trees.
一只骡鹿静静地站在树林里。
公驴与母马交配可生出骡，二者在谱系上直接相关。
母马是骡的母系一方，常与donkey一同解释骡的杂交来源。
骡常被用作驮运牲畜，构成pack mule（驮骡）等搭配。
骡是跨物种杂交育种的产物，与繁殖、遗传话题相关。
骡属于典型的跨种杂交后代，该词概括其生物属性。
非常固执，倔得像头骡子
Once he makes up his mind, he is stubborn as a mule.
他一旦下定决心，就倔得像头骡子。
拼命干活，像骡子一样辛苦工作
We worked like mules all weekend to get the garden ready.
我们整个周末拼命干活，把花园打理好。
劲头很猛，（酒等）后劲大
Be careful with that cocktail — it kicks like a mule.
小心那杯鸡尾酒——它后劲很猛。
骡车队，骡车队，我能听见你来了，我能听见你一路咔哒咔哒地走过来。
A long string of mules slowly made its way up the mountain.
一长串骡子沿着山路缓缓而上。
我是赶骡人，宝贝，我不过是在路上干活。
He's as stubborn as a mule, so don't bother arguing with him.
他像骡子一样固执，就别跟他争了。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.