Here are a few options for the description of the WordPress post tag “免疫力” (Immunity in Traditional Chinese), ranging in length and detail:

**Option 1 (Short & Sweet):**

> 提升身體抵抗力。 (Enhance the body’s resistance.)

**Option 2 (Slightly More Informative):**

> 關注免疫系統，探討如何增強免疫力，對抗疾病。 (Focus on the immune system, exploring how to strengthen immunity and fight diseases.)

**Option 3 (More Detailed):**

> 關於免疫力的文章彙整，包括飲食、生活方式、藥物等，以幫助您了解並改善自身的免疫能力，降低感染風險，維護健康。 (A collection of articles about immunity, including diet, lifestyle, medications, and more, to help you understand and improve your immune function, reduce the risk of infection, and maintain health.)

**Option 4 (Focus on Practicality):**

> 了解如何透過各種方法，例如飲食、運動和睡眠，來提升自身的免疫力，讓身體更健康。 (Learn how to enhance your immunity through various methods like diet, exercise, and sleep, and make your body healthier.)

**Consider these factors when choosing your description:**

* **Target Audience:** Who are you writing for? Are they already familiar with the topic, or do they need more context?
* **Post Content:** What kinds of articles will be tagged with “免疫力”? The description should align with the content.
* **SEO:** Include keywords relevant to searches people might use, such as 抵抗力 (resistance), 健康 (health), 飲食 (diet), 生活方式 (lifestyle).

You can choose the one that best fits your needs. Remember to use Unicode for the Traditional Chinese characters!