Here are a few options for a WordPress post_tag description for the title “如何表達意見” (How to Express Opinions) in Traditional Chinese, ranging in length and focus:

**Option 1: Concise and Direct**

> 學習如何清晰、有效地表達自己的意見。涵蓋技巧、策略與常見的溝通障礙。

(Translation: Learn how to clearly and effectively express your opinions. Covers techniques, strategies, and common communication barriers.)

**Option 2: A Bit More Informative**

> 本標籤下的文章將教你如何在不同情境下表達意見。 包含自信地表達想法、尊重他人觀點、有效溝通的技巧，讓你溝通更順暢。

(Translation: Articles under this tag will teach you how to express your opinions in different situations. Includes techniques for confidently expressing ideas, respecting others’ viewpoints, and effective communication, making your communication smoother.)

**Option 3: Focusing on the Practical Benefits**

> 想提升你的表達能力嗎？ 這個標籤下的文章提供實用的技巧，幫助你自信地表達想法，在討論中取得更好的結果，建立更強的關係。

(Translation: Want to improve your expression skills? Articles under this tag provide practical techniques to help you confidently express your ideas, achieve better results in discussions, and build stronger relationships.)

**Option 4: Emphasizing Cultural Relevance (If Applicable)**

> 在華人社會中，如何表達意見是一門學問。 這個標籤分享實用的技巧，幫助你自信地表達想法，同時保持禮貌與尊重，在不同的文化情境下取得平衡。

(Translation: In Chinese society, how to express opinions is a skill. This tag shares practical techniques to help you confidently express your ideas while maintaining politeness and respect, finding a balance in different cultural contexts.)

**Key Considerations When Choosing:**

* **Purpose of the Tag:** What are you trying to achieve with this tag? Are you just categorizing, or are you also hoping to attract a specific audience?
* **Content of the Posts:** The description should accurately reflect the content of the articles you tag.
* **SEO (Search Engine Optimization):** Consider relevant keywords people might search for when looking for content related to expressing opinions. (e.g., 溝通技巧, 辯論, 表達, 說話技巧)
* **Visual Appeal:** Keep it concise so it reads well in a list or table.

Choose the description that best fits the overall purpose of your blog and the types of articles you write.