arm

名词 arm:

1. a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
2. any instrument or instrumentality used in fighting or hunting
   同义词：weapon, weapon system
3. an administrative division of some larger or more complex organization
   同义词：branch, subdivision
4. any projection that is thought to resemble a human arm
   同义词：branch, limb
5. the part of an armchair or sofa that supports the elbow and forearm of a seated person
6. the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
   同义词：sleeve

动词 arm:

1. prepare oneself for a military confrontation
   同义词：build up, fortify, gird
2. supply with arms

1. He fled to Brazil trying to escape the long arm of the law.
   他逃到巴西，企图逃避恢恢法网。
2. His left arm was hurt in an accident.
   他的左胳膊在一次事故中受伤了。
3. The new battleship shall be armed with 16-inch guns.
   新战舰将以16英寸口径的大炮武装起来。
4. They were not allowed to use arms.
   不许他们使用武器。
5. Justice has long arms.
   天网恢恢，疏而不漏。

arm

n.（名词）
An upper limb of the human body, connecting the hand and wrist to the shoulder.
臂：人体的上肢，连接手及手腕和肩膀
A part similar to a human arm, such as the forelimb of an animal or a long part projecting from a central support in a machine.
臂状物：与人体上肢相似的部分，如动物的前肢或机器上从中间支撑部位伸出的部分
Something, such as a sleeve on a garment or a support on a chair, that is designed to cover or support the human arm.
扶手，衣袖：用以覆盖或支撑人体胳膊的东西，如衣服的袖子或椅子的扶手
A relatively narrow extension jutting out from a large mass:
港湾：从一大的整体中伸出的较为狭窄的延伸部分：
例句：
an arm of the sea.See Synonyms at branch
海湾参见 branch

An administrative or functional branch, as of an organization.
分部：一个行政或职能分支，如一组织
Power or authority:
权力，权威：
例句：
the long arm of the law.
法律的强大威力

<习惯用语>an arm and a leg【俚语】
An excessively high price:
非常高的价格：
例句：
a cruise that cost an arm and a leg.
要花去好多钱的航行

at arm`s length
At such a distance that physical or social contact is discouraged:
保持距离：以这样一个距离不鼓励身体的或社交的接触：
例句：
kept the newcomer at arm`s length at first.
一开始对新来的人保持一定距离

with open arms
With great cordiality and hospitality.
特别热情和好客
来源：
Middle English
中古英语
from Old English earm * see ar-
源自 古英语 earm *参见 ar-

arm
arm 2

n.（名词）
A weapon, especially a firearm:
武器：一件武器，尤指枪：
例句：
troops bearing arms; ICBMs, bombs, and other nuclear arms.
荷枪实弹的军队；洲际弹道导弹，炸弹和其他核武器

A branch of a military force:
军种：军事力量的一个分支：
例句：
infantry, armor, and other combat arms.
步兵，装甲兵和其他作战兵种

arms
arms
Warfare:
军事行动：
例句：
a call to arms against the invaders.
抗击侵略者的战斗号令

Military service:
兵役：
例句：
several million volunteers under arms; the profession of arms.
几百万服现役的志愿兵；军人职业

arms
arms
Heraldry Bearings.
【纹章学】 图案
Insignia, as of a state, an official, a family, or an organization.
（如国家，官员，家庭或组织的）徽章
v.（动词）
armed,arm.ing,arms
v.intr.（不及物动词）
To supply or equip oneself with weaponry.
武装起来：给自己提供或装备武器
To prepare oneself for warfare or conflict.
备战：使自己准备参加战斗或战争
v.tr.（及物动词）
To equip with weapons:
武装：用武器装备：
例句：
armed themselves with loaded pistols; arm a missile with a warhead; arm a nation for war.
用装有子弹的手枪武装他们；给导弹装上弹头；全民武装以备战

To equip with what is needed for effective action:
提供：配备有效行动所必需的东西：
例句：
tax advisers who were armed with the latest forms.
备有最新表格的税务顾问

To provide with something that strengthens or protects:
有保护作用的配备：提供起加强或保护作用的配备：
例句：
a space reentry vehicle that was armed with a ceramic shield.
重返大气层航天运载工具配备陶瓷保护层装置

To prepare (a weapon) for use or operation, as by releasing a safety device.
打开保险装置：使（武器）处于可使用或操作的状态，如打开保险装置

<习惯用语>up in arms
Extremely upset; indignant.
非常地沮丧；愤怒的
来源：
Middle English armes [weapons]
中古英语 armes [武器]
from Old French
源自 古法语
from Latin arma
源自 拉丁语 arma
V., from Middle English armen
动词，源自 中古英语 armen
from Old French armer
源自 古法语 armer
from Latin arm3re
源自 拉丁语 arm3re
from arma [arms] * see ar-
源自 arma [军备] *参见 ar-

【引伸】
arm.er
n.（名词）