buoy 　　
　　buttress
　　buttress
　　by no means
　　by all means
　　bypass
　　bypass difficulty
　　bypass question
　　call off
　　call off appointment
　　call things to a halt
　　capacity
　　he has capacity to do that.
　　capacity
　　in what capacity？
　　i am his father.
　　capriciousness
　　caprice
　　at whim
　　captivated by
　　captivity
　　he guy is captivated by the girl.
　　carbohydrate
　　carpenter
　　cartel
　　cash in on
　　he cash in on the best selling.
　　he cashed in on the information his sellout to the other people.
　　caste
　　catalog
　　catalog
　　catalyst
　　catastrophe
　　catastrophic
　　category
　　different category
　　cathedral
　　cathedral red wood
　　celestial
　　the celestial body
　　cessation
　　cessation of contract
　　chamber music
　　chamber of london commerce
　　charity
　　chauvinism
　　chores
　　chronic
　　chronology
　　circumvent
　　circumvent
　　he circumvented me in the election campaign.
　　civil rights
　　clandestine
　　clarify
　　clerical
　　clerical staff
　　clientele
　　cluster
　　a cluster of grape
　　cocaine
　　codify
　　code
　　cognitive process
　　collapse
　　collapse