Here are a few options for a WordPress post tag description for “難度” (Difficulty – in Traditional Chinese), each with a slightly different focus:

**Option 1: (Focus on Clarity & Definition)**

* **Description:** 了解文章內容的難易程度，包括題目、挑戰性、和需要花費的時間與精力。此標籤有助於您快速判斷文章是否適合您。 (Understand the difficulty level of the content, including the topic, challenge, and the time and effort required. This tag helps you quickly determine if the article is suitable for you.)

**Option 2: (Emphasis on Subject Areas)**

* **Description:** 探索不同文章在不同主題上的難度。例如：數學、歷史、程式設計等等。輕鬆找到適合您程度的文章。 (Explore the difficulty level of various articles across different subjects, such as mathematics, history, programming, and more. Easily find articles that match your level.)

**Option 3: (Action-Oriented & User Benefits)**

* **Description:** 想快速了解文章的挑戰性嗎？ 點擊此標籤，根據難度的分類，找到適合您的閱讀內容！ (Want to quickly understand the challenge of an article? Click this tag and find content that suits your level based on the difficulty classification!)

**Option 4: (Concise & Keyword Focused)**

* **Description:** 文章難度分類。涵蓋題目難度、閱讀理解程度、所需背景知識等。 (Article difficulty classification. Encompasses topic difficulty, reading comprehension level, and required background knowledge.)

**To choose the best option, consider:**

* **Your audience:** What kind of readers do you have?
* **The nature of your content:** What are you writing about?
* **Your overall website tone:** Is it formal or informal?

You can also customize these options to better suit your specific needs. Remember to keep it concise and relevant to your target audience.