3 sentences

1. 这篇文章的专业性很强。

   zhè piān wén​zhāng de zhuān​yè​xìng hěn qiáng.

   This article is highly professional.

   Source: Dong Chinese Dictionary

2. 介不介意我给你提点专业性的建议？

   jiè bù jiè yì wǒ gěi nǐ tí diǎn zhuān​yè​xìng de jiàn​yì?

   Do you mind if I give you some professional advice?

   Source: OpenSubtitles

3. 这种专业性很强的工作，你可千万不能乱来。

   zhè zhǒng zhuān​yè​xìng hěn qiáng de gōng​zuò, nǐ kě qiān​wàn bù néng luàn​lái.

   This is a highly professional job; you must not mess around.

   Source: Dong Chinese Dictionary