rehabilitate 英 [ˌriːəˈbɪlɪteɪt] 美 [ˌriːəˈbɪlɪteɪt] vt. 使康复；使恢复名誉；使恢复原状 vi. 复兴；复权；恢复正常生活

考点1: vt.使复原，使康复: to restore to a former state (as of efficiency, good management, or solvency) or a healthy condition

■e.g.n.ew policies in hopes of rehabilitating the national economy 被指望能振兴国家经济的新政策 She decided to undergo physical therapy to help rehabilitate her broken elbow.她决定采取理疗来治疗受伤的手肘。

■同: cure, fix, mend, rejuvenate, resuscitate, revitalize, revive, set up

■反: debilitate, enervate, enfeeble, weaken 使虚弱;relapse I 曰病复发

考点2: vi./vt.(使)洗心革面: to make better in behavior or character

■e.g.an organization that rehabilitates criminals so they can reenter society 一个让罪犯洗心革面的机构，以便让他们能重返社会

■同: habilitate, reclaim, redeem, regenerate

■派: rehabilitation n.康复，复原

imperious 英 [ɪmˈpɪəriəs] 美 [ɪmˈpɪriəs] adj. 专横的；迫切的；傲慢的

考点1: adj.爱发号施令的: fond of ordering people around

■e.g.an imperious little boy who liked to tell the other scouts what to do 一个爱发号施令的小男孩，总是喜欢指挥别的童子军做事

■同: authoritarian, autocratic, despotic, dictatorial, domineering, masterful, tyrannical

考点2: adj.傲慢的，专横的: arrogantly domineering or overbearing

■e.g.an imperious movie star who thinks she's some sort of goddess 一个把自己当成某种女神的傲慢的影星

■同: arrogant, bumptious, haughty, lofty, lordly, peremptory, pompous, presumptuous, supercilious, superior

■反: humble, lowly, modest 谦逊的

考点3: adj.迫切的: intensely compelling

■e.g.As war casualties mounted, the need for trained nurses became imperious. 随着战争伤亡人数的攀升，对于受训护士的需求变得愈发迫切

■同: clamant, compelling, critical, crying, dire, emergent, exigent, imperative, importunate, pressing, urgent

■反: n.oncritical, unimportant 不重要的

ally 英 [ˈælaɪ] 美 [ˈælaɪ] n. 同盟国；伙伴；同盟者；助手 vt. 使联盟；使联合 vi. 联合；结盟

考点1: n.盟友，支持者: one in helpful association with another

■e.g.enter the war as an ally of America以美国的同盟者身份加入战争

■同: supporter, confederate, sympathizer

■反: adversary, rival 对手

考点2: v.加入联盟: to enter into an alliance

■e.g.several tribes allied to fend off the invaders 几个部落联合起来抵抗侵略者

■反: disband解散

volatile 英 [ˈvɒlətaɪl] 美 [ˈvɑːlətl] adj. [化学] 挥发性的；不稳定的；爆炸性的；反复无常的 n. 挥发物；有翅的动物

考点1: adj.多变的: characterized by or subject to rapid or unexpected change

■e.g.a boss of volatile moods 一个性情多变的老板 The stock market can be very volatile.股市瞬息万变。

■同: capricious, changeable, fluid, inconstant, mercurial, skittish, temperamental, variable, versatile

■反: certain, changeless, constant, immutable, invariable, settled, stable, stationary, steady, unchangeable, unvarying 固定的，不变的

■派: v.olatility n.易变性，易挥发性

assert 英 [əˈsɜːt] 美 [əˈsɜːrt] vt. 维护，坚持；断言；主张；声称

考点1: vt.断言，肯定地说出: to state or declare positively and often forcefully or aggressively

■e.g.asserted one's innocence坚称自己无罪

■e.g.He asserted that there were corrupt officials in the government他断言道政府里面一定存在腐败的官员。

■同: aver, allege, avow, avouch, insist

■反: deny, gainsay否认