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。
千斤顶;起重器
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
a device used for lifting heavy objects, such as a car jack
中世纪皮革防护外套
A coarse medieval coat of defence, especially one made of leather.
起重器
A mechanical device or utensil used for lifting.
菠萝蜜
The jackfruit.
一种Mangifera caesia植物
A plant of the species Mangifera caesia.
杰奎曼诺玫瑰
A jacqueminot rose.
微不足道的数量
a small worthless amount
非工具物件
A non-tool object or thing.
男水手
a man who serves as a sailor
植物或动物
A plant or animal.
体力劳动者
someone who works with their hands; someone engaged in manual labor
The old jack told us stories about his voyages across the Pacific.
老水手给我们讲了他横渡太平洋的故事。
用法提示:此处'jack'指'水手',用作名词单数。
AI contextual example
The jacks on the ship worked together to hoist the sails.
船上的水手们一起升起船帆。
用法提示:此处'jacks'是'jack'的复数形式,表示多个水手。
AI contextual example
Every jack knows how to tie a sailor's knot.
每个水手都知道如何打水手结。
用法提示:此处'jack'泛指任何水手,用作可数名词。
AI contextual example
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。
jack 在这里指“一丁点儿”,通常只用于否定句,语气随意。
He doesn't know jack about cars.
他对汽车一窍不通。
grammar · medium
易错句子It's freezing outside, so put on your jack before you leave.
正确表达It's freezing outside, so put on your jacket before you leave.
jack 作名词指千斤顶、水手、菠萝蜜等,并不表示"夹克";夹克是 jacket。汉语"夹克"本身音译自 jacket,学生常按读音把词尾 -et 丢掉,写成 jack,注意拼写必须完整。
grammar · medium
易错句子The garage keeps three jack for changing tires.
正确表达The garage keeps three jacks for changing tires.
jack 表示"千斤顶"时是可数名词,前面有基数词 three 时必须用复数形式 jacks(词尾加 -s)。汉语名词没有单复数的形态变化,学生容易漏掉复数词尾。
crane 指大型起重机,通常有长臂,用于吊装重物;jack 是小型便携式千斤顶,从下方顶起重物(如汽车)。两者不可互换。
hoist 是用绳索或链条从上方提升的装置;jack 通常通过螺旋或液压从下方顶起。hoist 也可作动词。
winch 是用卷筒缠绕绳索或缆绳来拉或提升的装置;jack 是直接置于重物下方的顶升工具。
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。
插座
Plug the cable into the jack socket.
把电缆插入插座。
插头
The jack plug is broken.
插头坏了。
万事通
He is a jack of all trades.
他是个万事通。
液压千斤顶
The hydraulic jack can lift heavy loads.
液压千斤顶能举起重物。
jack + fruit
jack + hammer
jack + knife
jack + pot
jack + in + the + box
jack + o' + lantern
万事通(但常指样样通样样松)
He's a jack of all trades but master of none.
他是个万事通,但样样都不精。
每个人,人人
Every man jack of them showed up for the meeting.
他们每个人都出席了会议。
你什么都不知道。
I don't know jack about fixing computers.
我对修电脑一窍不通。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.