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
