Here are a few options for the description of the WordPress post_tag “有效增肥” (Effective Weight Gain) in Traditional Chinese, each with a slightly different nuance:

**Option 1 (Concise & Direct):**

> 了解更多關於健康有效的增肥方法，包括飲食策略、訓練技巧和常見問題解答。 (Learn more about healthy and effective weight gain methods, including dietary strategies, training techniques, and FAQs.)

* **Good for:** A general tag that covers a wide scope.

**Option 2 (Emphasis on Health):**

> 健康安全的增肥指南，助您從營養、運動等多方面提升體重，打造健康體魄。 (A guide to healthy and safe weight gain, helping you increase weight from multiple aspects like nutrition, exercise, and build a healthy physique.)

* **Good for:** Highlighting the health-conscious aspect, which is important.

**Option 3 (Focus on Practical Advice):**

> 如何透過實用的增肥技巧、食譜和訓練計畫，安全有效地增加體重。 提供實用的建議，助您達成增重目標。 (How to safely and effectively gain weight through practical weight gain techniques, recipes, and training plans. Provides practical advice to help you achieve your weight gain goals.)

* **Good for:** Appealing to readers seeking actionable information and direct support.

**Option 4 (Slightly more technical):**

> 討論增肥的生理機制、營養需求、訓練方法，以及需要注意的事項，讓您能科學地安全增重。 (Discussion of the physiological mechanisms of weight gain, nutritional needs, training methods, and things to pay attention to, so you can gain weight scientifically and safely.)

* **Good for:** Readers are interested in more scientific details and deeper understanding.

**How to choose the best option:**

* **Consider your blog’s content:** What kind of information do you typically provide? Tailor the description to match the material you’ll be tagging with this term.
* **Target audience:** What kind of reader are you trying to reach? Do they prefer practical advice or more in-depth analysis?
* **Word count:** WordPress generally will limit the display, keep it concise.

Remember to use the tag in all your blog posts that pertain to effective weight gain in Chinese.