have a cramp in [body part]
描述突然的肌肉痉挛。
I have a cramp in my leg.
我腿抽筋了。
抽筋；肌肉痉挛
cramps — plural of cramp
夹钳；夹具；扒钉；束缚；限制；鞋楦；肌肉无法控制的疼痛性痉挛；(有时)无明显收缩时的类似疼痛。
A painful, involuntary contraction of a muscle; also a similar pain without a noticeable contraction.
肌肉无法控制的疼痛性痉挛；(有时)无明显收缩时的类似疼痛。
A painful contraction of a muscle which cannot be controlled; (sometimes) a similar pain even without noticeable contraction.
一种痛苦且不自主的肌肉收缩
a painful and involuntary muscular contraction
限制或收缩之物。
That which confines or contracts.
用于在粘合时固定木材的夹具
a clamp for holding pieces of wood together while they are glued
木工或石工用夹具。
A clamp for carpentry or masonry.
两端弯曲成直角的金属条；用于固定砌体
a strip of metal with ends bent at right angles; used to hold masonry together
一种弯曲木块,与脚背上部曲线相符,用于拉伸靴帮面皮革以定型。
A piece of wood having a curve corresponding to that of the upper part of the instep, on which the upper leather of a boot is stretched to give it the requisite shape.
He got a cramp in his leg while swimming.
他游泳时腿抽筋了。
用法提示：cramp 作为可数名词，指肌肉痉挛。
She often suffers from menstrual cramps.
她经常痛经。
用法提示：cramps 复数形式，指周期性腹部绞痛。
I woke up with a cramp in my foot.
我醒来时脚抽筋了。
用法提示：cramp 与不定冠词连用，表示一次痉挛。
描述突然的肌肉痉挛。
I have a cramp in my leg.
我腿抽筋了。
cramps 常以复数形式表示多次痉挛或腹部绞痛。
She got cramps while swimming.
她游泳时抽筋了。
Many women suffer from cramps during menstruation.
许多女性在经期会痛经。
较正规，泛指突然不自主的肌肉收缩，不一定带疼痛，范围比cramp广。
本义是收缩，未必是病理性的；仅在明确指不自主肌肉收缩时可互换，不强调疼痛。
指轻微、快速的抽动，通常无痛感，不能代替严重的肌肉痉挛。
多指颈部或背部僵硬性痉挛，语域较口语，不用于四肢或工具。
非正式说法，主要指腿部抽筋，语气不正式，不能用于工具义。
grammar · medium
易错句子I have cramp in my leg.
正确表达I have a cramp in my leg.
英语中cramp是可数名词，表示‘一次痉挛’时需加不定冠词a；中文名词没有冠词，容易遗漏。
grammar · medium
易错句子I got a cramp on my leg.
正确表达I got a cramp in my leg.
痉挛发生在肌肉内部，因此介词应用in而非on；中文用‘在腿上’可能导致介词误用。
针对“肌肉痉挛（抽筋）”这一义项，指肌肉从收缩状态恢复放松；不是“夹钳/夹具”等义项的反义词。
cramp 特指疼痛性肌肉收缩，spasm 更广泛，可指任何不自主肌肉收缩
cramp 是名词，指痉挛；cramped 是形容词，形容空间狭小
cramp 以 -mp 结尾，cram 无 p；cram 是动词，意为塞满或临时抱佛脚
肌肉痉挛；肌肉抽筋
A sudden muscle cramp in his calf made him grimace.
他的小腿突然肌肉痉挛，使他做了个鬼脸。
腿抽筋；腿部痉挛
Long-distance runners sometimes get leg cramps after a race.
长跑运动员有时赛后会出现腿部抽筋。
胃痉挛；肚子痛
Eating too quickly can give you stomach cramps.
吃得太快会引起胃痉挛。
痛经；经期痉挛
She used a hot-water bottle to relieve her menstrual cramps.
她用热水袋缓解痛经。
书写痉挛
He got writer's cramp from taking notes all day.
他因整天记笔记而出现了书写痉挛。
发生抽筋；抽筋
If you have a cramp, stop exercising and stretch gently.
如果抽筋了，就停止运动并轻轻拉伸。
抽筋是肌肉突然的疼痛性收缩，因此肌肉是核心相关词。
抽筋常伴随疼痛，该词属于同一身体不适的语义场。
拉伸常用于缓解或预防抽筋，是相关动作。
脱水是引发抽筋的常见原因之一。
疲劳也可能导致抽筋，常出现在运动场景中。
妨碍某人施展才能；使某人放不开手脚
Don't bring your little brother along; he'll cramp your style.
别带你弟弟一起去，他会让你放不开手脚。
书写痉挛；手部因长时间书写而抽筋
After writing three essays in a row, she got writer's cramp.
连续写了三篇文章后，她出现了书写痉挛。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.