mule

n. 骡, 倔强之人

mule

n.（名词）
The sterile hybrid offspring of a male donkey and a female horse, characterized by long ears and a short mane.
骡：公驴和母马杂交的无繁殖能力的后代，特征是鬃毛短、耳朵长
A sterile hybrid, as between a canary and other birds or between certain plants.
杂交种动物（植物）：杂交不育的品种，如在金丝鸟和其他鸟类之间杂交出的不育品种，也可指在植物之间
Informal A stubborn person.
【非正式用语】 犟驴：一个顽固的人
A spinning machine that makes thread or yarn from fibers.
走锭精纺机：能从纤维中捻出线或拔出丝的机器
A small, usually electric tractor or locomotive used for hauling over short distances.
轻型拖拉机，轻型牵引机：适用于短途搬运的小型、电动拖拉机或牵引机
Slang A person who serves as a courier of illegal drugs.
【俚语】 走私或贩运非法麻醉品的人

来源：
Middle English
中古英语
from Old French mul
源自 古法语 mul
and from Old English môl
并源自 古英语 môl
both from Latin môlus
都源自 拉丁语 môlus

mule
mule 2

n.（名词）
A slipper that has no counter or strap to fit around the heel.
拖鞋：脚跟处没有后帮或扳扣的拖鞋

来源：
Probably French [slipper]
可能为 法语 [拖鞋]
possibly from Middle Dutch muil
可能源自 中古荷兰语 muil
ultimately from Latin mulleus (calceus) [reddish-purple (ceremonial shoe)]
最终源自 拉丁语 mulleus (calceus) [淡红紫色（礼仪鞋）]