concur          agree in opinion， happen together

condense        increase in density， strength， make laconic

congeal         make or become stiff and solid

connoisseur     a person with good judgement （eg. in art）

consent         give agreement or permission

consolation     consoling or being consoled

console         give comfort or sympathy to

consternation   surprise and fear，dismay

constrict       make tight or smaller

consume         get to the end of

contentious     quarrelsome

contiguous      touching， neighboring， near

contrite        filled with deep sorrow for wrongdoing

convoke         call together， summon

convoluted      complicated； coiled， twisted

cord            twisted strands

corporeal       physical； of or for the body

correlate       have a mutual relation

corroboration   additional， strengthening evidence

counterfeit     forgery

covetous        eagerly desirous

craven          cowardly

crease          line made by crushing； white line on the ground in criket

credulity       too great a readiness to believe things

credulous       ready to believe things

crush           press， lose shape， subdue， overwhelm

cryptic         secret， with a hidden meaning

cumbersome      burdensome， heavy and awkward to carry

dart            quick movement； missile in darts

dawdler         person who is slow； waste of time

dearth          shortage

deference       respect

defiance        open disobedience or resistance

deflect         turn aside

deluge          great flood， heavy rush of water

demur           raise an objection

dent            hollow， depression mad by a blow

deposition      dethronoment， depositing

deprave         make morally bad； corrupt

derision        ridicule， mockery， deriding

derivative      derived， not original or primitive

descry          catch sight of， see smth in the distance

detach          separate

diatribe        bitter and violent attack in words

dilate          speak comprehensively， become wider， large

disabuse        free from false ideas， put right

discern         see with an effort but clearly

discourse       speech， lecture

dismal          sad， gloomy， miserable