英语词句中名不副实的“Jack”
一、指人
All the workers want a pay increase, every man Jack of them.
全体工人无一例外地要求增加工资。（every man Jack 或every Jack one是“每个人”、“人人”的意思。）
Jack of all trades and master of none
万事皆通而一无所长的人
a Jack on both sides
模棱两可，两面派
Jack at a pinch
临时拉来帮忙的人
Jack among the maids
讨好女人的男子
Jack in the water
码头打杂工
cheep Jack
卖廉价货物的小贩
a Jack in office
自命不凡的小官吏，官僚
Jack the lad
（青少年帮派中的）头号人物
二、指物
His elder brother died of Yellow Jack in the West Indies.
（Yellow Jack指医学上的“黄热病”）
the Union Jack
英联合王国国旗
a Jack of straw
稻草人
to make one's Jack
赚很多钱
三、谚语中指人或物
All work and no play makes Jack a dull boy.
只工作不玩，聪明的孩子也会变傻。
All shall be well, Jack shall have Jill.
有情人终成着属。
Jack would be a gentleman if he had money.
低微的人有钱也会成为绅士。
Jack is as good as his master.
伙计不比老板差，卑贱者未必不如高贵者。
Jacks are common to all that will play.
乐器对于所有想要弹奏的人都一样。（Jacks是古时类似钢琴的弹奏乐器。）
