arm
[NOUN, VERB]
arms
1. [C 可数名词] 手臂
Your arms are the two long parts of your body that are attached to your shoulders and that have your hands at the end.
双语例句
例：She stretched her arms out.
她张开了双臂。
2. [C 可数名词] （椅子的）扶手
The arm of a chair is the part on which you rest your arm when you are sitting down.
双语例句
例：Mack gripped the arms of the chair.
麦克抓紧了椅子的扶手。
3. [C 可数名词] （物体的）臂状物
An arm of an object is a long thin part of it that sticks out from the main part.
双语例句
例：the lever arm of the machine.
该机器的操纵杆。
4. [C 可数名词] （陆地、水域的）狭长区域
An arm of land or water is a long thin area of it that is joined to a broader area.
双语例句
例：a small area of woodland between two arms of a small stream.
一条小溪的两条支流之间的一小块林地。
5. [C 可数名词] 部门 , 分支机构
An arm of an organization is a section of it that operates in a particular country or that deals with a particular activity.
近义词
双语例句
例：The agency is the central research and development arm of the Department of Defence.
该机构是国防部的核心研发部门。
6. [C 可数名词] 袖子
The arm of a piece of clothing is the part of it that covers your arm.
近义词
双语例句
例：coats that were short in the arms.
袖子短的几件大衣。
7. [PL 复数] 武器
Arms are weapons, especially bombs and guns.
双语例句
例：Soldiers searched their house for illegal arms.
士兵们为找非法武器搜了他们的家。
NOUN. 名词
arm in arm
1. 臂挽臂地
If two people are walking arm in arm, they are walking together with their arms linked.
双语例句
例：He walked from the court arm in arm with his wife.
他和他妻子挽着胳膊从法院走了出来。
at arm's length
1. 以一臂之距
If you hold something at arm's length, you hold it away from your body with your arm straight.
双语例句
例：He struck a match, and held it at arm's length.
他划了根火柴，然后伸长胳膊举着。
keep someone at arm's length
1. 同某人保持一定距离
If you keep someone at arm's length, you avoid becoming too friendly or involved with them.
双语例句
例：She had always kept the family at arm's length.
她一直和家人保持一定距离。
with open arms
1. 张开双臂（欢迎）
If you welcome some action or change with open arms, you are very pleased about it. If you welcome a person with open arms, you are very pleased about their arrival.
双语例句
例：They would no doubt welcome the action with open arms.
他们毫无疑问会张开双臂欢迎这项举措。
twist someone's arm
1. 说服某人
If you twist someone's arm, you persuade them to do something.
双语例句
例：She had twisted his arm to get him to invite her.
她已经说服了他邀请自己。
bear arms
1. 持有武器
A person's right to bear arms is their right to own and use guns, as a means of defence.
双语例句
例：a country where the right to bear arms is enshrined in the constitution.
把武器持有权载入宪法的国家。
take up arms
1. 拿起武器
If one group or country takes up arms against another, they prepare to attack and fight them.
双语例句
例：They threatened to take up arms against the government if their demands were not met.
他们威胁说，如果要求得不到满足就拿起武器对抗政府。
up in arms
1. 愤怒抗议
If people are up in arms about something, they are very angry about it and are protesting strongly against it.
双语例句
例：Patient advocates are up in arms over the possible closure of the psychiatric hospital.
该精神病院可能会关闭，病人的支持者们对此表示强烈抗议。
PHRASE. 习语
arms , arming , armed
1. [T 及物动词] 武装
If you arm someone with a weapon, you provide them with a weapon.
双语例句
例：She'd been so terrified that she had armed herself with a loaded rifle.
她非常害怕，于是拿了支上了膛的步枪。
2. [T 及物动词] 用…装备
If you arm someone with something that will be useful in a particular situation, you provide them with it.
双语例句
例：She thought that if she armed herself with all the knowledge she could gather she could handle anything.
她曾以为，如果她用所能搜集到的所有知识充实自己，她就能处理任何事。
VERB. 动词
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