1.-tra-："out of"
ex: extraterrestrial, extracurricular, extramural

-nov-："new"
ex: innovation, renovate, novice

multi-："many"
ex: multitude, multicolored

-cracy："rule, government, governing body"
ex: technocracy, democracy,

com-："together, common"
ex: compact, compatriot

—————————————————————————————————

1.sanction(n.)
official permission or approval for an action or a change
ex:These changes will require the sanction of the court.

2.rehearsal(v.)
an occasion when you practice for the performance of a play, concert, opera, etc.
ex: Writers will be invited to attend rehearsals with the company.

3.obstruction(n.)
a. something that blocks something else and makes it difficult for things to move through
b. the condition of being blocked so that things cannot move through easily
c. the act of making it difficult for something to happen or move forward
ex: They are removing trees and other obstructions from the path.

4.superb(adj.)
of the highest quality
ex: The Hotel Gardesana offers superb views of the lake.

5.regrettable(adj.)
that you are sorry about and wish had not happened
ex: The loss of jobs is highly regrettable.

6.criterion(n.)
a standard that is used for judging something or for making a decision about something
ex: Everyone whose qualifications meet our criteria will be considered.

7.censure(n.)
official strong criticism
ex: The country faces international censure for its alleged involvement in the assassination.

8.perish(v.)
a. to die, usually because of an illness or something that happens suddenly
b. to stop happening or existing
c. if a substance such as wood, rubber, or food perishes, it decays and cannot be used
ex: All our horses perished in the fire.

9.orient(v.)
to have a particular emphasis or aim
ex: My Russian course is heavily oriented towards grammar.

10.absence(n.)
the fact of somebody being away from a place where they are usually expected to be; the occasion or period of time when somebody is away
ex: We did not receive any news during his long absence.

11.incisive(adj.)
a. very clear and direct
b. able to explain difficult ideas clearly and confidently
ex: She's known for her incisive mind and quick wit.

12.rebuke(v.)
to speak in an angry and critical way to
ex: Strongly rebuked the girl for playing with matches.

13.manifest(v.)
to show something such as a feeling or ability, so that it is easy to notice
ex: Jane manifested an unwillingness to sit and talk to Lydia.

14.withstand(v.)
a. to be strong enough not to be harmed or destroyed by something
b. to be able to deal with a difficult situation
ex: The bunker is designed to withstand a nuclear blast.

15.vicinity(n.)
the area near a particular place
ex: There are no hotels in the vicinity of the hospital.

16.downcast(adj.)
not happy, confident, or hopeful
ex: There were a lot of downcast faces in the crowd.

17.counsel(v.)
a. to give someone advice and help with their problems, especially as your job
b. to give someone advice about what to do in a particular situation
ex: She has spent about five years counselling rape victims.

18.pensive(adj.)
quietly sad or thoughtful
ex: The child sat by himself, looking pensive.

19.disparage(v.)
to describe (someone or something) as unimportant, weak, bad
ex: It's a mistake to disparage their achievements.

20.apathy(n.)
the feeling of not having much emotion or interest
ex: People have shown a surprising apathy toward these problems.

21.keen(adj.)
wanting to do something or wanting something to happen very much
ex: We are keen that our school should get involved too.

22.restraint(n.)
a rule, a fact, an idea, etc. that limits or controls what people can do
ex: The government has imposed export restraints on some products.

23.scattered(adj.)
spread over a large area
ex: My relatives are scattered all over the country.

24.refrain(v.)
to stop yourself from doing something. This word is often used in official announcements or signs
ex: Please refrain from smoking in this area.

25.sufficiency(n.)
an amount of something that is enough for a particular purpose
ex: The sufficiency of the portions is such that you will leave the restaurant with a full stomach but without doggie bags