Word · Frequency #1652
Jack
千斤顶；起重器
核心释义
a device used for lifting heavy objects, such as a car jack
- 1.
中世纪皮革防护外套
A coarse medieval coat of defence, especially one made of leather.
- 2.
起重器
A mechanical device or utensil used for lifting.
- 3.
菠萝蜜
The jackfruit.
- 4.
一种Mangifera caesia植物
A plant of the species Mangifera caesia.
- 5.
杰奎曼诺玫瑰
A jacqueminot rose.
- 6.
微不足道的数量
a small worthless amount
- 7.
非工具物件
A non-tool object or thing.
- 8.
男水手
a man who serves as a sailor
- 9.
植物或动物
A plant or animal.
- 10.
体力劳动者
someone who works with their hands; someone engaged in manual labor
水手；海员；体力劳动者；劳工；菠萝蜜；皮甲；革制护甲；白芒果；马六甲芒果
用法In use
The old jack told us stories about his voyages across the Pacific.
用法提示：此处'jack'指'水手'，用作名词单数。
The jacks on the ship worked together to hoist the sails.
用法提示：此处'jacks'是'jack'的复数形式，表示多个水手。
Every jack knows how to tie a sailor's knot.
用法提示：此处'jack'泛指任何水手，用作可数名词。
you don't know jack
a jack for doing sth
此义指把重物顶起的起重器；表示用途时用 for + 动名词。
You'll need a jack for changing a flat tyre.
换瘪胎你需要一个千斤顶。
not know jack about sth
jack 在这里指“一丁点儿”，通常只用于否定句，语气随意。
相关词与表达Connections
搭配Collocations
- car jack
- 汽车千斤顶
- I used the car jack to lift the vehicle.我用汽车千斤顶抬起了车辆。
- jack socket
- 插座
- Plug the cable into the jack socket.把电缆插入插座。
- jack plug
- 插头
- The jack plug is broken.插头坏了。
- jack of all trades
- 万事通
- He is a jack of all trades.他是个万事通。
- hydraulic jack
- 液压千斤顶
- The hydraulic jack can lift heavy loads.
学习提示Learner notes
记忆技巧Memory Tip
想象一个叫Jack的男人用千斤顶（jack）抬起汽车，jack就是千斤顶。
语境与语域Context & Register
neutral; used in automotive repair or industrial settings for lifting heavy objects. Note_zh: 通常用于汽车维修或工业场景，属于中性偏专业的语域。
发音与拼写Pronunciation & Spelling
All words share the final /æk/ sound and rhyme with jack. No common lookalikes that differ in sound are included.
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.