open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
Antonym:clear
In fact, all the OIC has is a witness who gave narrow answers to ambiguous questions.
Civil liberties advocates have said that is so ambiguous it makes the law unenforceable.
2.arbitrary adj. ['ɑrbətrɛri] 任意的
based on or subject to individual discretion or preference or sometimes impulse or caprice
Synonym:random
Antonym:stationary
Since the 17th century, it has been a protection against arbitrary arrest and imprisonment.
Men often disparage women for being irrational, arbitrary, and more than a little capricious.
3.assert v. [ə'sɝt] 维护，主张，坚持，断言，声称
to declare or affirm solemnly and formally as true
Synonym:declare
Antonym:deny
Jody Morris sent an early shot wide for the visitors before Falkirk began to assert themselves.
Decisions are pending in two cases that assert an employer's liability for harassment by a supervisor.
4.astounding adj. [ə'staʊndɪŋ] 令人震惊的
bewildering or striking dumb with wonder
Synonym:shocking
Antonym:peaceful
Without such stability, China would never have been able to achieve its astounding economic miracles.
Perhaps the most astounding change is the number of long-distance commuters using the new airlines.
5.astute adj. [ə'stut] 机敏的，狡猾的
marked by practical hardheaded intelligence
Synonym:shrewd
Antonym:logy
He is surely an astute and capable one given his pay, but a manager nonetheless.
Pekerman was given the job because his project was backed up by astute analysis.
6.concur v. [kən'kɝ] 同意，一致，互助
be in accord; be in agreement
Synonym:consent
Antonym:disagree
If you concur, it's time to stop allowing a chosen few to speak for the masses.
I'd like to concur with the posters who correctly assumed certain types of video games definitely improve reading skills.
7.deceptively adv [dɪ'sɛptɪvli] 骗人地，虚伪地
in a misleading way
Synonym:falsely
Antonym:really
Enthusiasm for the new and strong relationships with musicians is a deceptively simple formula.
The boardroom is formal, but the atmosphere surrounding the extraordinary process was informal, perhaps deceptively so.
8.designate adj. ; v. ['dɛzɪɡnet] 指定；指定的
assign a name or title to;appointed but not yet installed in office
Synonym:appoint
Antonym:unspecified
She has been designated by the President as the next
Secretary of Defense.
Sponsor members may designate individuals to run for positions as officers of the Forum.
9.determined adj.;v. [dɪ'tɝmɪnd] 决定了的；决定
strongly motivated to succeed;decide
Antonym:debatable
In follow-up interviews, including with his family, investigators determined that Edward was also unaccounted for.
Bandfield found the nature of the Martian topsoil determined how deep the ice was below it.
10.elicit v. [ɪ'lɪsɪt] 抽出，引出；引起
call forth (emotions, feelings, and responses)
Synonym:premise
Antonym:return
Gone are the days when a well-placed sun-lounge would elicit envious glares from fellow guests.
Among countertenors only the American David Daniels and the Frenchman Philippe Jaroussky elicit the same attention.
11.instigate v. ['ɪnstə'get] 唆使，煽动，怂恿
provoke or stir up
Synonym:encourage
Antonym:advice
They're trying to instigate the Iraqis about the role of Iran these days in Iraq.
It comes within the framework of an extensive campaign to instigate hatred and incite animosity.
12.petition n.;v. [pə'tɪʃən] 请愿书，请愿，请求
a formal message requesting something that is submitted to an authority；write a petition for something to somebody; request formally and in writing
Synonym:demand
Antonym:independent
Please consider signing the petition to the governor of Mississippi for a pardon for Mr. Maye.
Harrisburg's federal petition for Chapter 9 bankruptcy lists six pending legal actions by creditors.
13.relinquish v. [rɪ'lɪŋkwɪʃ] 放弃，放手
turn away from; give up
Synonym:give up
Antonym:insist
The Libyan people should not relinquish the sacrifices of the free and best people.
Otherwise, Iraq, which is determined not to relinquish its rights, will adhere to its stand.
14.resilient adj. [rɪ'zɪlɪənt] 有弹力的
recovering readily from adversity, depression, or the like
Synonym:rubbery
Antonym:hard
The difficulties of operating in an emerging market may make managers adaptable and resilient.
Everyone grows up with some version of this story because it asks a very resilient human question.
15.tempt v. [tɛmpt] 诱惑，使感兴趣
give rise to a desire by being attractive or inviting
Synonym:attract
Antonym:boring
That's enough to tempt a gamer with even the itchiest trigger finger to hold fire.
Setbacks, which are inevitable, may well tempt Beijing's leaders to call a halt to the experiment.
