docile：　easily trained or controlled

　　doleful：　dismal, mourful来源：考试大

　　drought：　a long period of dry weather

　　dubious：　feeling doubt　dumbfound astonish

　　efface：　rub or wipe out, obliterate

　　elucidate：　to make understandable

　　enchant：　charm, delight来源：考试大

　　endeavor to make an effort, to try very hard

　　endorse：　approve, support a claim or statement

　　enthral：　take the whole attention, enslave来源：考试大

　　exploit：　to use for selfish advantage or profit

　　extensive：　far-reaching来源：考试大

　　extol：　to praise highly

　　flimsy：　lacking solidarity, strength

　　fraud：　 a fault, a deception来源：考试大

　　gaudy：　 too bright and showy

　　ghastly：　death-like, pale and ill

　　grumble：　to complain来源：考试大

　　harass：　worry, trouble

　　heretic：　very busy; active来源：考试大

　　impediment smth that hinders (esp in speech)　indigenous native

　　insatiate：　never satisfied

　　intrepid：　fearless来源：考试大

　　irate：　angry

　　jeopardy：　danger

　　leash：　 control来源：考试大

　　loafer：　an idle, lazy person

　　lucrative：　profitable来源：考试大

　　lustrous：　bright; shining

　　malign：　to slander