A person engaged in a controversy or debate, especially in public; a disputant.
争论者，辩士进行争辩或辩论的人，尤指在公共场合；辩论者
Speakers on the affirmative teams will defend prosecution; speakers on the negative teams will oppose it.
正方辩士立场系赞成起诉，反方立场则反对起诉。
Give the doctoral student (candidate) an oral examination on his dissertation.
举行博士生论文答辩会
Debate with the plotter one in the debating of Confucian scholar--compare between the excuse of “Mencius” and “the Warring States scheme”
儒士之辩与策士之辩——试比较《孟子》与《战国策》的辩辞
A person who argues in defense or justification of something, such as a doctrine, a policy, or an institution.
辩解者，辩护士为某事物，如教义、政策或制度而辩解或辩护的人
In the newspapers the elite simply argued with the elite.
在报纸上，上层人士只是与上层人士争辩而已。
Ms. Barnes is counselor for the defense.
巴恩斯女士是被告的辩护律师。
Those who have successfully defended their dissertations shall be conferred the doctor's degree.
对于通过论文答辩者，授予博士学位。
The master-degree student is giving an oral defence of his thesis.
该硕士生正在进行论文答辩
Action is eloquence. -William Shakespeare
行动是最好的雄辩。-- 莎士比亚
4 Knights = serious matters； 3 Knights = lively debate； 2 Knights = intimacy.
4张骑士=严重问题；3张骑士=轻快的辩论；2张骑士=亲密。
instead of the exuberant imagination of a poet, the plausible arguments of a barrister defending his brief.
不是诗人的才气横溢的幻想，而是出庭的辩护士的字斟句酌的辩词。
It was a good idea, and caught at by the counsel for the defense.
这个意见很好，被告的辩护士立刻采取了这一着。
Interpreting the Zhongyong: Was Confucius a Sophistic or an Aristotelian ?
解释《中庸》:孔子是诡辩派还是亚里士多德派
He is now completing a dissertation on stakeholder dynamics in management information systems.
现在，他已经顺利通过了该专业的硕士论文答辩。
Dissertation Rejoining of Research Students of Mathematics Education and Some Instruction of Supervisor;
指导数学教育硕士生学位论文答辩之我见
An Argument on Lawrence Being Satirized as "a Priest of Intercourse";
为劳伦斯被嘲笑为“交欢的福音传教士”一辩
On the Dialectical Relationship between the "Good" and the "Evil", and the "Beauty" and the "Disgracefulness" in Faust;
论《浮士德》中"善"与"恶"及"美"与"丑"的辩证关系