| [/dʒæk; dʒæk/] n 用法:
1 (usu portable) device for raising heavy weights off the ground, esp one for raising the axle of a motor vehicle so that a wheel may be changed （通常指便携式）起重器, 千斤顶（尤指更换机动车车轮时用的）. 用法:
2 ship's flag flown to show nationality 船上表示国籍的旗子:
the Union Jack, ie the flag of the United Kingdom 英国国旗. 用法:
3 Jack familiar form of the name John 杰克（约翰的昵称）. 用法:
4 (also knave) (in a pack of playing-cards) card between the ten and the queen （纸牌中的）杰克, J（介於王后与十点之间）:
the jack of clubs 梅花J. 用法:
5 (in the game of bowls) small white ball towards which bowls are rolled （滚球戏中）作靶子的小白球. 用法:
6 (idm 习语) before you can/could say Jack Robinson => say. every man jack => man. a jack of `all trades person who can do many different kinds of work but not necessarily well 博而不精的人. jack 2
[/dʒæk; dʒæk/] v (phr v) jack sth in (sl 俚) leavesth readily; abandon (work, etc) 打算离开; 放弃（工作等）:
I can't concentrate any more. I'm going to jack it in. 我再也无法集中精神了. 我不打算干了. jack sth up (a) raise sth using a jack1(1) 用千斤顶顶起某物:
to jack up a car 用千斤顶把汽车顶起.
(b) (fig infml 比喻, 口) increase (salary, payment, etc); raise 增加（薪金, 报酬等）; 提高:
It's time you jacked up my allowance. 您该给我增加点儿零用钱了.
(C) (infml) arrange or organize sth that is in disorder 把凌乱的事物安排好或料理好:
Everything's falling apart; the whole system needs jacking up. 一切都乱了, 整个系统有待整顿. |