phr. ball the jack 〈俚〉
1. 疾行；飞快地工作
The car certainly did ball the jack. 那辆汽车确实开得快极了。
2. 孤注一掷
before you can (或 could) say Jack Robinson 〈口〉说时迟那时快，突然间，一刹那
Every Jack has (或 shall have) his Jill (或 Gill). 〈谚〉人各有偶。
every man jack (或 every jack one) 〈口〉人人，每一个人
They lived in castles, too, every man jack of them. 他们也住在城堡里，全都住在那里。
I'm all right, Jack. 〈口〉老兄，我没事儿。(表示只求自己没事的自私自得心理)
He adopted an “I'm all right, Jack” attitude in leaving his convoy. 他离开护送队时摆出一副“老子没事儿”的自得架势。
Jack and Jill (或 Gill) 男孩和女孩；少男少女；男人和女人
jack around 〈美口〉浪费时间；瞎混；鬼混；胡闹
Jack at a pinch 〈口〉紧急时有用的人(或东西)；临时召来代替的人
jack in 1. 〈英口〉结束，停止；放弃
I've had enough — I'm going to jack it in now. 我受够啦——我这就打算歇手不干了。
2. 〈口〉把…插入插座(或塞孔等)；连接上(计算机等)
Since Ned was still asleep, she jacked in the earphone to cut off loudspeaker sound. 因为纳德还在睡觉，她插上耳塞不让扬声器发出声音。
Jack in the water 〈英俚〉码头打杂工
jack into 连接上(计算机等)
Jack is as good as his master. 〈谚〉伙计不比老板差。
Jack loves a fight. 〈俚〉当水手的爱打架。
Jack of all trades, (and master of none) 杂而不精的人，三脚猫
Jack of (或 on) both sides 模棱两可的人，骑墙派
jack off 〈俚〉
1. 〈粗〉手淫
2. 走开，溜掉
They would jack off if they get the chance. 他们一有机会就会溜之大吉。
jack out 〈美俚〉拔出(枪支)
jack up 1. 用千斤顶托起；使升高，举起
2. 〈口〉提高，增加
jack up the price of oil 抬高石油价格
jack up discipline 加强纪律性
3. 使生动活泼
The editors have jacked up their sports pages. 编辑们把体育专栏编得生动活泼。
4. 〈新西兰〉把…安排好
Don't worry. He'll jack the whole thing up for us. 别担心，他会替我们把一切都料理好的。
5. (尤指因其惰怠)训斥
6. 〈美口〉勉励…尽职
7. 〈主英〉放弃；垮掉
8. 〈美俚〉注射麻醉毒品
9. 〈美俚〉(为抢劫)拦截
10. 〈美俚〉狠揍；痛打
11. 〈美俚〉(警察)搜查盘问(嫌疑犯)
on one's jack (或 Jack Jones) 〈英俚〉独自，自个儿
You're off on your jack then? 那么你就独自一个人去了?