Here are a few options for the description of the WordPress tag “膝蓋痛” (Knee Pain) in Traditional Chinese, ranging from general to slightly more descriptive:

**Option 1: Simple & General**

> 膝蓋痛相關資訊，包括成因、症狀、診斷與治療。
>
> *(Knee pain-related information, including causes, symptoms, diagnosis, and treatment.)*

**Option 2: A Bit More Specific**

> 關於膝蓋痛的最新文章與資源，助您了解並解決膝關節疼痛問題。
>
> *(The latest articles and resources on knee pain, helping you understand and solve problems related to knee joint pain.)*

**Option 3: Focus on Prevention**

> 膝蓋痛預防與治療方法，提供給您健康膝蓋的實用資訊。
>
> *(Knee pain prevention and treatment methods, providing you with practical information for healthy knees.)*

**Option 4: Broad & Inclusive**

> 探索各種關於膝蓋痛的議題，從原因、症狀到康復與護理，盡在此標籤下。
>
> *(Explore various issues concerning knee pain, from causes and symptoms to recovery and care, all under this tag.)*

**Option 5: (If you offer different resources: like different types of exercise, etc.)**

> 探索關於膝蓋痛的各種資源，包括改善疼痛的運動，舒緩方法，以及治療選擇。
>
> *(Explore resources concerning knee pain, including exercises to improve pain, soothing methods, and treatment options.)*

**Tips for Choosing the Best Option:**

* **Consider the content on your website:** Which option best reflects the type of content you’ll be tagging under “膝蓋痛”?
* **Be clear and concise:** Get to the point quickly.
* **Use keywords:** The description itself helps with SEO, so the more relevant words the better.

Choose the description that best fits your website and helps your visitors understand what kind of information they can find when they click on this tag. Good luck!