50. benign [bɪ'naɪn]
a.①(肿瘤等)良性的 ②和蔼的
例句：
He shook his head in benign amusement. 他好笑又宽厚地摇摇头。

 
51. beset [bɪ'set]
vt.困扰，使苦恼
例句：
The business has been beset with financial problems. 该企业为财务问题所困扰。

52. besiege [bɪ'siːdʒ]
vt.①围攻，包围 ②困扰
例句：
Miller was besieged by press photographers.米勒被新闻摄影师团团围住。
 
53. beware [bɪ'weə]
v.当心,谨防
例句：
They should beware of making hasty decisions. 他们应该当心不要仓促作决定。

 
54. bilateral [baɪ'læt(ə)r(ə)l]
a.①双边的 ②有两面的
例句：
Nothing emerged from the bilateral talks. 双边会谈没有结果。

55. bin [bɪn]
n.①垃圾箱 ②大储藏箱vt.扔，丢弃
例句：
Throw it in the bin. 把它扔到垃圾箱里去。

56. binoculars [bɪ'nɒkjələz]
n.双筒望远镜
例句：
He stood to his pay of 50 pounds for my binoculars. 他坚持只付50英镑买我的双筒望远镜。

57. blackmail ['blækmeɪl]
n.①敲诈 ②胁迫vt.敲诈
例句：
It looks like the pictures were being used for blackmail. 看来这些照片正被用于敲诈勒索。

58. bleach [bliːtʃ]
v.(使)漂白，变白n.漂白剂
例句：
These products don't bleach the hair. 这些产品不会使头发脱色。

59. bluff① [blʌf]
v.虚张声势，唬人n.唬人
例句：
The letter was a bluff. 这封信是虚张声势。

60. bluff② [blʌf]
a.直率豪爽的
例句：
He was a bluff no-nonsense administrator. 他是一个干脆豪爽的主管。

 
61. bolster ['bəʊlstə]
vt.改善，加强n.(床头上的)垫枕
例句：
Hopes of an early cut in interest rates bolstered confidence. 提前降低利率的希望增强了信心。

62. bouquet [bəʊ'keɪ]
n.①花束 ②(尤指酒的)香味
例句：
The woman carried a bouquet of dried violets. 那个女子拿着一束干紫罗兰花。

63. bout [baʊt]
n.一回，一场
例句：
He was recovering from a severe bout of flu. 他当时正从一次严重的流感中康复。

64. brigade [brɪ'geɪd]
n.①旅 ②(承担特殊任务的)团
例句：
On hearing the alarm the fire brigade rushed to the scene. 消防队闻讯赶到现场。

65. buffalo ['bʌfələʊ]
n.水牛，野牛
例句：
They hallow the buffalo. 他们把水牛视为神圣。

66. carton ['kɑːtn]
n.硬纸盒；塑料盒
例句：
We hope that you will take measures to reinforce this sort of carton with iron straps.我们希望你们采取措施用金属条加固这种纸板箱。

67. Celsius ['selsiəs]
a.摄氏的n.摄氏温度
例句：
The thermometer shows the temperature in Celsius and Fahrenheit. 这个温度计会显示摄氏温度和华氏温度。

68. censor ['sensə]
n.(电影等的)审查员vt.删剪
例句：
The film had to be cut before the board of censors accepted it. 这部电影得先进行剪辑，才能得到审查委员会的认可。

69. ceramic [sɪ'ræmɪk]
n.(常pl.)陶瓷制品a.陶瓷的
例句：
I keep a small pretty ceramic container of salt on my stove. 我的炉灶上一直放着一个很小但很精美的陶瓷容器来装盐。

70. chancellor ['tʃɑːns(ə)lə]
n.①财政大臣 ②校长
例句：
In Britain the Chancellor of the Exchequer deals with taxes and government spending. 在英国，财政大臣负责税务和政府的开支。

 
71. cleanse [klenz]
vt.①使清洁，净化 ②消毒
例句：
The mayor was elected on a promise to cleanse the city government of corruption. 市长当选时许诺要清除市政府的腐败行为。

72. clench [klentʃ]
vt.握紧，咬紧
例句：
Jody was pacing the sidelines, her fists clenched. 乔迪紧握双拳，在边线上来回踱步。

73. clergy ['klɜːdʒi]
n.［统称］牧师，神职人员
例句：
All the local clergy attended the ceremony. 当地所有的牧师出席了仪式。

74. cliché ['kli:ʃeɪ]
n.陈词滥调，老生常谈
例句：
There is plenty of truth in the cliché that a trouble shared is a trouble halved. “有人分忧，烦恼化小”这句老话说得很有道理。

75. cloak [kləʊk]
n.斗篷，披风；遮盖物vt.掩盖，掩饰
例句：
The political party is used as a cloak for terrorist activities. 这个政党被用作搞恐怖活动的幌子。

76. clog [klɒg]
n.木底鞋，木屐v.(使)阻塞，堵塞
例句：
Over many years, the pipes had got clogged up with grease. 多年下来，管道都被油腻物堵塞了。

77. cockpit ['kɒk,pɪt]
n.①(飞机的)驾驶舱 ②斗鸡场
例句：
He climbed out of the cockpit and waved to us. 他爬出座舱,向我们挥手。

78. coconut ['kəʊkənʌt]
n.①椰子 ②椰子肉
例句：
The oil can come from animal fat or plant sources like coconut or sunflower. 油可以产自动物脂肪或者植物来源，比如椰子或者向日葵。

79. coexist [,kəʊɪg'zɪst]
vi.共存，并存
例句：
Our foreign policy is to coexist with other countries. 我们的外交政策是和其他国家和平共处。

80. colonel ['kɜːnl]
n.上校
例句：
The captain jumped several grades and now was a colonel. 这名上尉一连跳过了好几级，现在是上校了。

 
81. compassion [kəm'pæʃ(ə)n]
n.同情,怜悯
例句：
Did he feel any compassion for the victim of his crime? 他对自己罪行的受害者是否感到同情？

82. complacent [kəm'pleɪs(ə)nt]
a.自满的，得意的
例句：
We simply cannot afford to be complacent about the future of our car industry. 我们完全没有资格对汽车业的前景沾沾自喜。

83. conceit [kən'siːt]
n.自负，自大
例句：
Reyes emits confidence without conceit. 罗伊斯表现出自信但不自负。

84. concurrent [kən'kʌrənt]
a.①同时发生的 ②并存的
例句：
The exhibition reflected concurrent developments abroad. 该展览反映了现在国外的发展情况。

85. conducive [kən'djuːsɪv]
a.有益的
例句：
Library is an environment conducive to learning. 图书馆的环境有助于学习。

86. confide [kən'faɪd]
vt.①将……托付给…… ②吐露(自己的隐私)
例句：
I've never felt able to confide in my sister. 我从来都没有觉得可以对姐姐吐露心中的秘密。

87. congregate ['kɒŋgrɪgeɪt]
vi.集合，聚集
例句：
Crowds began to congregate to hear the President's speech. 人群开始聚拢来聆听总统的演讲。

88. connotation [,kɒnə'teɪʃ(ə)n]
n.隐含意义,言外之意
例句：
The word “professional” has connotations of skill and excellence. “专业的”一词带有技能和出色的含义。

89. conspire [kən'spaɪə]
vi.共谋，图谋
例句：
All six men admitted conspiring to steal cars. 这六人全部承认一起密谋偷车。

90. consulate ['kɒnsjʊlɪt]
n.领事馆
例句：
You have to visit the consulate or embassy. 你必须到领事馆或大使馆去。

 
91. contagious [kən'teɪdʒəs]
a.（疾病）接触传染的
例句：
This is both contagious and deadly and must be avoided at all costs. 这会传染且是致命的，必须不惜一切代价加以避免。

92. contingent① [kən'tɪndʒənt]
a.视条件而定的
例句：
Further investment is contingent upon the company's profit performance. 进一步的投资取决于公司的利润情况。

93. contingent② [kən'tɪndʒənt]
n.①小分队 ②代表团
例句：
Has the Scottish contingent arrived yet? 苏格兰代表团到了没有？

94. convoy ['kɒnvɔɪ]
vt.护航n.舰队
例句：
The British left in a convoy of  ②0 cars. 英国人在一支由 ②0辆汽车组成的车队护送下离开了。

95. coral ['kɒrəl]
n.珊瑚
例句：
The women have elaborate necklaces of turquoise and pink coral. 女士们拥有绿宝石和粉色珊瑚制成的精美项链。

96. corporal ['kɔːp(ə)rəl]
n.(陆军等的)下士
例句：
He was busted to corporal for being absent without leave. 他因擅离职守而被降级为下士。

97. cosmopolitan [,kɒzmə'pɒlɪt(ə)n]
a.世界性的
例句：
Alexander envisioned a cosmopolitan culture in his new empire. 亚历山大打算让他的新帝国具有世界性的文化。

98. counteract [,kaʊntər'ækt]
vt.抵消，中和
例句：
They gave him drugs to counteract his withdrawal symptoms. 他们给他服药以消除他的脱瘾症状。

99. counterfeit ['kaʊntəfɪt]
vt.伪造a.假冒的
例句：
They admitted counterfeiting documents. 他们承认伪造了文件。

100. coup [kuː]
n.①政变 ②努力办到难办的事
例句：
Haiti's first elected president was deposed in a violent military coup. 海地的第一位民选总统在一场剧烈的军事政变中被废黜。