attribute: 归因为 contribute:贡献，投稿

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