brisk: 轻快 bristle: 硬毛，气势汹汹

　　barter: 物物交换 banter: speak to or address in a witty and teasing manner.

　　blight: withered, blast blithe: merry.

　　brazen : blatant blazon: armorial bearings; publish widely

　　blunder: a gross error blunt: not sharp, dull

　　brittle: easily broken, cracked, or snapped bristle: to take on an aggressive attitude or appearance (as in response to a slight)

　　boom: to make a deep hollow sound; to grow or cause to grow rapidly esp. in value, esteem, or importance. Boon: benefit, blessing

　　Calumniate: defame, malign libel Culmination: reach the highest point Fulmination: 攻击，指责

　　Canvas：油布 Canvass: to seek orders or votes: solicit

　　Cataclysm: a violent change or upheaval Catalysis: 加速

　　Cessation：终止，（短暂）停止] Cession：割让，转让 Concession：让步，特许权 Secession：脱离，退出

　　Cater：迎合，承办 crater：火山口，弹坑

　　Circumscribe：限制 Proscribe：禁止 Compass: an enclose space Compassion: pity

　　Competent：胜任的，有资格的 contentious：引起争议的

　　Contiguous: being in contact Contingent: possible; happening by chance conditional

　　Consensus：全体意见一致 Censure：责难

　　Conversant: 精通 Convergent：会聚的

　　Confluence: the meeting of two or more streams Influence:影响 Refluence：逆流

　　Consign：托运 Resign：辞职

　　Crate：板条箱 Crave：渴望得到 Craven：胆怯的

　　Crayon：彩色笔；粉笔或其绘画 Canyon：峡谷

　　Cozen: chest, defraud Cozy: snug, comfortable

　　Curb: hold in or back Curd: the thick protein rich part of coagulated milk Curdle: spoil, sour

　　Declamation: speech Acclamation: shouted approval

　　Duration: 持续的时间 Induration：硬化

　　Denounce：指责，揭发 Renounce：宣布放弃，抛弃