Here are a few description options for the WordPress post tag “不應該” (Bù yīnggāi) in Traditional Chinese, catering to different levels of formality and emphasis:

**Option 1: Concise & Direct**

> 標籤：不應該 (Bù yīnggāi) – 表示「不應該」、「不應該做的事」或「禁止」。涵蓋違背道德、法律或常理的相關內容。

* **Translation:** Tag: 不應該 (Bù yīnggāi) – Meaning “should not,” “something that shouldn’t be done,” or “prohibited.” Covers content related to things that are against morals, laws, or common sense.
* **Best for:** General posts, websites with a wide range of topics.

**Option 2: Slightly more descriptive**

> 標籤：不應該 (Bù yīnggāi) – 指出某些行为、观点或决定是錯誤的、不適當的，或與道德、法律相悖的。此標籤用於標記應避免或批判的內容。

* **Translation:** Tag: 不應該 (Bù yīnggāi) – Designates that certain behaviors, perspectives, or decisions are wrong, inappropriate, or deviate from morals or laws. This tag is used to categorize content that should be avoided or criticized.
* **Best for:** Posts that focus on discussions or social commentary that express opinions

**Option 3: Focus on Negative connotations and Actions:**

> 標籤：不應該 (Bù yīnggāi) – 涵蓋所有不恰當，不合法，或不道德的行為。用於標記需要警戒，譴責，或避免的內容，如欺詐、歧視、或違規行為。

* **Translation:** Tag: 不應該 (Bù yīnggāi) – Encompasses all inappropriate, illegal, or immoral behaviors. Used to mark content that requires caution, condemnation, or avoidance, such as fraud, discrimination, or violations.
* **Best for:** Sites with a focus on ethical issues, legal issues, or critique.

**Option 4: Simplified and informal (Use with discretion):**

> 標籤：不應該 (Bù yīnggāi) – 提醒你哪些事情是不對的，不該做的。

* **Translation:** Tag: 不應該 (Bù yīnggāi) – Reminds you of things that are wrong and shouldn’t be done.
* **Best for:** Sites with a more informal tone

**Key considerations when choosing:**

* **Your website’s tone:** Is your website formal, informal, professional, or personal?
* **Your target audience:** Who are you trying to reach, and what level of detail is appropriate for them?
* **The typical content you’ll be tagging:** What kinds of posts will you use this tag for?

Remember to use the most appropriate option based on your specific needs! When adding the description to WordPress, you can usually add it in the “Description” field of the tag editor. Good luck!