barrel

詳細解釋：

bar.rel

n.（名詞）
A large, cylindrical container, usually made of staves bound together with hoops, with a flat top and bottom of equal diameter.
桶：圓柱形大容器，常由桶板及周圍的鐵箍組成，平頂平底且直徑等同
The quantity that a barrel with a given or standard capacity will hold.
一桶之量：一隻桶能裝的固定或標準量
Abbr. bar.,bbl,bbl.,bl.Any of various units of volume or capacity. In the U.S. Customary System it varies, as a liquid measure, from 3 to 42 gallons (20 to 59 liters) as established by law or usage.See table at measurement
縮寫 bar.,bbl,bbl.,bl.一桶液量之單位：許多體積或容量單位的任一個。在美國慣用系統中，它作為液體測量單位，數值在被法規或慣用法確立的數值3加侖到42加侖（20到59升）之間變動參見 measurement
The cylindrical part or hollow shaft of any of various mechanisms, as:
圓筒：任何機械物的圓柱形部分或空的桿狀物，如：
The metal, cylindrical part of a firearm through which the bullet travels.
槍管：槍的圓柱形金屬部分，供 * 穿過
A cylinder that contains a movable piston.
活塞筒：裝有可移動的活塞的圓柱狀物
The drum of a capstan.
滾筒：絞盤的圓筒狀物
The cylinder within the mechanism of a timepiece that contains the mainspring.
發條盒：一圓柱形物，內裝含有主發條的表的零件
Informal A large quantity:
【非正式用語】 大量：
例句：
a barrel of fun.
非常有趣

Slang An act or an instance of moving rapidly, often recklessly, in a motor vehicle.
【俚語】 莽撞行駛：機動車高速且常莽撞行駛的過程或例子
adj.（形容詞）
Likened to a barrel, as in shape:
桶狀的：象桶的，如在形狀上象桶的：
例句：
a barrel chest; barrel hips.
過於豐滿的胸部；大臀部

v.（動詞）
bar.reled 或 bar.relled bar.rel.ing 或 bar.rel.ling bar.rels 或 bar.rels
v.tr.（及物動詞）
To put or pack in a barrel.
裝進桶里，放進桶里
v.intr.Slang （不及物動詞）【俚語】
To move at a high speed.
高速行駛

<習慣用語>on the barrel 或
on the barrelhead
Granting, giving, or requesting no credit:
以現金的，現付的：不承認、不給或不要信用卡的：
例句：
paid cash on the barrel for the car.
付現金買了這輛車

over a barrel
In a very awkward position from which extrication is difficult:
困境：很難擺脫的艱難處境：
例句：
During the negotiations the opposing faction had us over a barrel.
在談判中，那個對抗的派別使我們一籌莫展

來源：
Middle English barel
中古英文 barel
from Old French baril
源自 古法文 baril