vt. 授权，批准，委托；
[例句] It would certainly be within his power to authorize a police raid like that...
[例句] We are willing to authorize the president to use force if necessary.
vt. 对…不忠，背叛，出卖，泄露；
[例句] When I tell someone I will not betray his confidence I keep my word...
[例句] The President betrayed them when he went back on his promise not to raise taxes.
n. 板( board的名词复数 )，纸板，委员会，（包饭的）伙食；v. 上（船、车或飞机）( board的第三人称单数 )，收费供…膳宿，强行登（船），使搭伙；
[例句] ...a chopping board.
[例句] ...a draughts board...
n. 畜生，兽，残暴的人，兽性；adj. 残忍的，畜生的，动物的，无理性的；
[例句] Custer was an idiot and a brute and he deserved his fate.
[例句] ...a drunken brute.
n. 自助餐，火车饮食柜台，车站快餐部 ；
[例句] ...a buffet lunch...
[例句] A cold buffet had been laid out in the dining-room.
n. 大炮，机关炮，榴弹炮，加农炮；vi. 与…猛撞，开炮；vt. 炮轰；
[例句] One of the reporters cannoned into Arnold...
[例句] The ball cannoned off the back of a Spartak defender and into the net.
n. 樱桃，樱桃树，樱桃色，处女膜；
vt.& vi. 敲出和谐的乐声，报时，机械地重复，合节奏；n. 合奏钟声，钟乐，谐音，韵律，和谐，[航]甲板上的沟；
[例句] He heard the front doorbell chime.
[例句] ...as the Guildhall clock chimed three o'clock.
n. 清洁剂，保洁员，吸尘器，干洗店；adj. 更清洁的(clean的比较级)，整齐的，新的，正派的；
[例句] He was a window cleaner.
[例句] ...oven cleaner.
adj. 忠诚的，坚定的；v. 保证（做某事、遵守协议或遵从安排等）( commit的过去式和过去分词 )，把…托付给，把…记（或写）下来，承诺；
[例句] I have never committed any crime...
[例句] This is a man who has committed murder.
adj. 兼容的，相容的，和谐的，协调的，[生物学]亲和的，可以并存的，能共处的；
[例句] Free enterprise, he argued, was compatible with Russian values and traditions...
[例句] Marriage and the life I live just don't seem compatible.
vt. 强迫，强使，限制，约束；
[例句] Women are too often constrained by family commitments and by low expectations...
[例句] How can we produce top-class engineers when universities are constrained to offer salaries that can only attract mediocre staff?...
vt. 注视，凝视，盘算，计议，周密考虑；vi. 沉思，深思熟虑；
[例句] For a time he contemplated a career as an army medical doctor...
[例句] She contemplates leaving for the sake of the kids.
n. 配对物，副本，相对物，极相似的人或物；
[例句] The Foreign Secretary telephoned his Italian counterpart to protest.
[例句] The Finnish organization was very different from that of its counterparts in the rest of the Nordic region.
n. 堂[表]兄弟姊妹，远亲，同辈；
[例句] My cousin Mark helped me...
[例句] We are cousins.
adj. 习惯的，通常的，照惯例的；n. 习惯法，风俗志；
[例句] It is customary to offer a drink or a snack to guests...
[例句] At Christmas it was customary for the children to perform bits of poetry...
adv. 暗黑，呈黑色；
[例句] When she awoke it was evening and already dark...
[例句] It was too dark inside to see much...
vt. 使推迟，使延期，拖延，推迟，[军]使延期入伍；vi. 服从，延期，推迟；
[例句] Customers often defer payment for as long as possible...
[例句] I'm not going to defer decisions just because they are not immediately politically popular.
adj. 退化的，堕落的，变质的，变性的；vt. 使退化，恶化，使变质，衰减；vi. 退化，堕落；n. 堕落的人，腐化的人，精神变态者，退化的动物；
[例句] Inactivity can make your joints stiff, and the bones may begin to degenerate...
[例句] From then on the whole tone of the campaign began to degenerate.
vt. 使降级，使降
[例句] It's very difficult to demote somebody who has been standing in during maternity leave...
[例句] If they prove ineffective they should be demoted or asked to retire.