In the professional theatre, there is a tremendous need to prove that you're a pro.

在专业剧院里，证明自己是个专业人士是非常必要的。

《柯林斯英汉双解大词典》

The more detailed the Material object, the more realistic and professional the drawing will look.

Material对象越详细，画出的图看上去就越真实，越专业。

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The standard of professional cricket has never been lower.

职业板球的水平从来没这么低过。

《柯林斯英汉双解大词典》

The first recorded shooting incident by a person who was a professional gunman took place in Texas in eighteen fifty-four.

VOA: special.2010.03.17

In the code of conduct, professional conduct, that we embody by this code here is comparable to what you are expected to adhere to in your professional lives.

在行为准则中，专业准则，这个准则所体现的相当于,你所期待去追求的,在你的专业生活中。

麻省理工公开课 - 固态化学导论课程节选

Talib, who's a Wall Street professional, talks about these black swans as being the real story of finance.

华尔街的专家塔利博,用金融界的真实案例讨论黑天鹅现象

耶鲁公开课 - 金融市场课程节选

Is an intelligence professional the best way to go -- someone who understands the inexact science of the collection of intelligence?

CNN: Borger: An Obama team oops on CIA pick?

Review with your financial professional the risks associated with real estate investment and evaluate other products that could meet your investment objectives (investment income, for instance).

FORBES: When Will FINRA Get Serious About Unlisted REITs?

You need to tell your tax professional the truth.

FORBES: My Best Tax Advice Ever, Part IV: Don't Lie to Me