1. C 臂　 the part of body from shoulder to hand
2. U 武器，军火　 a thing that you use for fighting

　bend one's ～s　弯曲手臂
　break one's ～s　弄断手臂
　chance one's ～　冒一次险，冒险试一下
　cross one's ～s　交叉双臂
　fold one's ～s　把两臂交叉于胸前，袖手旁观
　make an ～　伸手取
　open one's ～s　伸开双臂
　put one's ～ around sb　用手搂着某人
　raise one's ～s　举起双臂
　throw ～ around sb　用手搂着某人
　throw into sb's ～s　投入某人怀抱
　wave one's ～　挥动手臂
　bear ～s　服兵役，当兵
　carry ～s　携带武器
　go to ～s　诉诸武力
　lay down one's ～s　放下武器，投降
　rise in ～s　起义
　stand to ～s　反抗，自卫
　take up ～s　拿起武器，武装起来
　long ～s　长长的手臂
　small ～s　轻武器
　strong ～s　粗壮的双臂
　air ～s　空军
　side ～s　随身的武器
　～s industry　军需工业
　～s production　武器生产
　～s race　军备竞赛
　～s trade　军火贸易
　a wound in the ～　胳膊上的伤口
　coat of ～s　盾形纹章
　on the ～　臂上
　have a basket on one's ～　手臂上挽着篮子
　the call to ～s　战斗号令
　under ～　在腋下
　men under ～s　现役军人
　troops under ～s　处于战备状态的军队

　He broke his arm in an accident.　他在一次事故中折断了手臂。
　They took me by the arm.　他们抓住我的胳膊。
　Every person has two arms, the right arm and the left arm.　每个人都有两支手臂，左臂和右臂。
　The right arm is usually stronger.　右臂通常较强壮。
　She put her arm around his neck and kissed him.　她搂住他的脖子，吻了他。
　Don't stay under the arm of a derrick!　不要在起重机的吊臂下！
　A hooligan put the arm on him last night when he was on his way home.　昨晚在回家的路上，他遭到流氓的抢劫。
　The policemen put the arm on the man until they could verify his story.　警察把这个人扣留起来，等到核实了他没有问题以后才释放他。
　They were not allowed to use arms.　不许他们使用武器。
　British policemen do not usually carry arms.　英国警察通常不带武器。
　People were up in arms against the invaders.　人民拿起武器反抗侵略者。
　There is no need to get up in arms about such trifles.　为这样一些小事动火毫无必要。

 ♣ arm in arm
　挽臂，携手　with the arm of one person being passed through the bent arm of the other
　The boys ran down the road arm in arm.　孩子们手挽手沿着马路跑去。
　The new couple walked arm in arm into the theatre.　那对新婚夫妇手挽手的走进了剧院。
 ♣ bear arms
　从军，服兵役　join the army
　In case of need, we must bear arms.　在需要的时候，我们都必须从军。
 ♣ go to arms
　诉诸武力　settle the matter by the use of the army
　Having failed to resolve their disputes at the conference table, the two countries went to arms.　和平解决争端的努力失败以后，两国便诉诸武力。
 ♣ make a long arm for
　伸臂去拿某物　reach arms to catch sth
　The monkey made a long arm for the peach.　猴子伸臂去摘桃子。
 ♣ twist arm
　强迫　oblige sb to do sth
　I've really had quite enough to eat, but perhaps if you twist my arm I could have just a little bit more.　我真的吃得非常饱了，不过要是你硬要我再吃，也许我还可以吃一点。

 ♣ arms, weapon
　这两个词的共同意思是“武器”。其区别是：arms常用作复数形式，指专为战争而制造的兵器，如枪、炮，尤指士兵个人使用的具体的武器；weapon可用作单数形式或复数形式，指各种可用于进攻或防御的东西，如石块、木棍、枪炮、原子弹，也可用于借喻。例如：


 ♣ with open arms, with open hands
　参见open条。

1. 抱着孩子的那个妇女是我的姨妈。
　［误］ The woman who is carrying a child with her arms is my aunt.
　［正］ The woman who is carrying a child in her arms is my aunt.
　［析］ “抱着…”应说carry...in one's arms，其中介词不能用with，因为这里表示的是状态，而不是用某种工具。
2. 有人给这些士兵提供美式武器。
　［误］ These soldiers were provided with American arm.
　［正］ These soldiers were provided with American arms.
　［析］ arms作“武器”讲时，总是以复数形式出现，不能用作单数。
3. 他抓住了我的胳膊。
　［误］ He took me by my arm.
　［正］ He took my arm.
　［正］ He took me by the arm.
　［析］ 抓住某人身体的某部位用句型"take sb by the+n.（被抓的部位）”或"take sb's+n."。

　一般把arm（臂）和arms（武器）作为同形异义的词对待。

　vt. & vi.把…武装起来 supply weapons and armor

　～ fully　充分武装起来
　～ imperfectly　未充分武装起来
　～ powerfully　强有力地武装
　～ against a potential enemy　为防御潜在的敌人而武装起来
　～ oneself against danger　武装起来，对付危险
　～ at　戒备
　～ from top to toe　从头到脚武装起来
　～ to the teeth　武装到牙齿
　～ missiles with nuclear warheads　给导弹装上核弹头
　～ one's mind with dialectics　用辩证法武装头脑
　～ the Governor with veto power　授予州长否决权
　～ with an evil tongue　惯于恶语中伤
　～ with excuses　总有借口
　～ with five guns　配备5门大炮
　～ with thorns　长满刺
　～ without delay　立即武装起来

　Their former enemy is arming again.　他们从前的敌人正在重整军备。
　War is certain, we should arm without delay.　战争肯定要发生，我们必须立即武装起来。
　He said that both sides were arming themselves.　他说双方都在武装着自己。
　We must know how to arm ourselves.　我们应该懂得怎样武装自己。
　During World War II the United States armed many of its allies.　第二次世界大战期间，美国为它的许多同盟国提供武器装备。
　In colonial days the French armed the Indians to attack the British.　在殖民地时期法国人武装印度人去抗击英国人。
　The man was armed to the teeth.　那人是全副武装。
　Arming only with a short sword, he drove off five of his attackers.　他只持一把短剑就赶跑了五名来犯者。
　Armed with such a precept, a number of doctors may slip into deceptive practices.　有了这样一条指导原则，一些医生可能渐渐习惯于采取骗人的做法。

 ♣ arm against　(v.+prep.)
　为对付…而武装起来；对…加以防备　provide defence for oneself or sb with weapons, etc. against sth; guard against
　〔说明〕 arm against不用于被动结构。
　We bought the house to arm against big price rises.　我们买了这处住宅，以防大涨价。
　We must arm the people against the lowering of our morals.　我们必须武装人们的头脑，以防我们的道德标准降低。
 ♣ arm for　 (v.+prep.)
　武装…以备　supply sb with weapons for; prepare for
　The soldiers armed for battle.　士兵们拿起武器准备战斗。
　The nation must arm its soldiers for battle.　国家必须为战士提供打仗武器。
 ♣ arm with　 (v.+prep.)
　用…武装；向…提供　provide sb with weapons; provide with the means to gain sth
　They armed him with a rifle.　他们发给他一支步枪。
　John had armed himself with an excuse before he went to see the headmaster.　约翰去见校长之前已经为自己准备好了一个借口。
　The crowd were armed with broken bottles.　那帮人手中备有碎酒瓶子。
　The divers were armed with cameras and collecting gear.　潜水员配备了照相机和收集用具。
　A teacher should be armed with answers to questions that his pupils are likely to ask.　一个教师应该准备好学生可能提出的问题答案。
　The warship was armed with 16-inch guns.　战舰配有16英寸口径大炮。

　［派生词］ armed adj.武装（到某种程度）的
　［同义词］ n. forearm v. fit out, furnish, provide, supply
　［词源］古英语earm<拉丁语arma（臂）