amaze: I am amazed that you have memorized all the 1683 vocabulary.
baffle:  The causes of the diseases baffled the Doctors for centuries.
bear: This orchard bears many fine harvests of apples.
block:  The city blocks the sale of Chinese food recently.
blur: The rain blurred everyone's view of the valley.
brilliant: Einstein is a brilliant thinker.
caution: The officer cautioned the driver to slow down.
challenge: To memorize all the 1683 words is a challenge to me.
delicate: It is quitea challenge to me to discuss such a delicate issue in public.
enhance: Passing the TOEFl test will enhance the chances to be admitted to college.
intrigue: I am intrigued by the acclaim that I received.
persuade: You can not persuade me not to do exercises.
replace: I have replaced all the old test questions this term.
shed: In order to grow, the crabs must shed their shells.
unique: He has the unique opportunity to attend the conference.
chiefly: Houses are made chiefly of wood products.
coarse: Sandpaper is an extremely coarse material.
commonplace: Female lawyers are commonplace in America.
comparatively: It is comparatively for you to pass the TOEFL because you have worked so hard.
complex: The professor astutely solve the complex problem.
conventional: Dr. Wang agreed with the conventional relationship among the work place.
curious: A curious object is discovered in the science laboratory.
exceedingly: It is exceedingly hot and humid in the tropical zones.
exclusively: This room is used exclusively by the faculty.
immense:You can see the immense valley from the mountian top.
indeed: It is very exciting indeed.
rigid: Dr. Wang is very rigid in his ideas about class attendance.
routinely: She routinely gets a physical examination.
sufficiently: Jenny is sufficiently mature to make her own decisions.
visibly: John is visibly happy about the performance evaluation.