Here are a few options for a WordPress post tag description, “完全蛋白質” (Quánquán Dàn bái zhì – Complete Protein) in Traditional Chinese, catering to slightly different emphases:

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

> **什麼是完全蛋白質？** 此標籤涵蓋富含且包含所有九種人體必需胺基酸的食物。了解完全蛋白質的重要性及其在飲食中的角色，以及如何獲取足夠的攝取量。
> *(Shénme shì wánquán dàn bái zhì? Cǐ biāoqiān hánggài fùhán qiě bāohán suǒyǒu jiǔ zhǒng réntǐ bìxū ānjīsuān de shíwù. Lǐnjiě wánquán dàn bái zhì de zhòngyàoxìng jí qí zài yǐnshí zhōng de juésè, yǐjí rúhé huòqǔ zúgòu de shèqǔliàng.)*
> **Translation:** What are complete proteins? This tag covers foods rich in and containing all nine essential amino acids. Learn about the importance of complete proteins and their role in diet, as well as how to get enough of them.

**Option 2 (Focus on Benefit/Purpose):**

> **完全蛋白質： 肌肉與健康的基石。** 探索富含完整蛋白質的食物，支援肌肉生長、修復，以及整體健康。 透過本標籤，找到適合您的蛋白質來源，並學習如何將其融入均衡飲食中。
> *(Wánquán dàn bái zhì: Jīròu yǔ jiànkāng de jīshí. Tànsuǒ fùhán wánzhěng dàn bái zhì de shíwù, zhīyuán jīròu shēngzhǎng, xiūfù, yǐjí zhěngtǐ jiànkāng. Tōngguò běn biāoqiān, zhǎodào shìhé nín de dàn bái zhì láiyuán, bìng xuéxí rúhé jiàng qí róngrù jūnhéng yǐnshí zhōng.)*
> **Translation:** Complete Protein: The Cornerstone of Muscle and Health. Explore foods rich in complete protein to support muscle growth, repair, and overall health. Through this tag, find suitable protein sources for you, and learn how to incorporate them into a balanced diet.

**Option 3 (Concise and Informative):**

> **完全蛋白質**： 涵蓋所有必需胺基酸的蛋白質來源，對於身體機能至關重要。 包含肉類、魚類、雞蛋和乳製品等食物，以及其他植物性的選擇。
> *(Wánquán dàn bái zhì: Hánggài suǒyǒu bìxū ānjīsuān de dàn bái zhì láiyuán, duìyú shēntǐ jīnéng zhìguān zhòngyào. Bāohán ròulèi, yúlèi, jīdàn hé rǔzhìpǐn děng shíwù, yǐjí qítā zhíwù xìng de xuǎnzé.)*
> **Translation:** Complete Protein: Protein sources that contain all essential amino acids, essential for bodily functions. Includes foods like meat, fish, eggs, and dairy products, as well as other plant-based options.

**Option 4 (For those already familiar):**

> **完全蛋白質 飲食指南**。 探討不同蛋白質來源，適合健身者、素食者及關注健康的人士。 參考我們的文章，制定您的蛋白質攝取策略。
> *(Wánquán dàn bái zhì yǐnshí zhǐnán. Tàn tǎo bùtóng dàn bái zhì láiyuán, shìhé jiànshēn zhě, sùshí zhě jí guānzhù jiànkāng de rénshì. Cānkǎo wǒmen de wénzhāng, zhìdìng nín de dàn bái zhì shèqǔ cèlüè.)*
> **Translation:** Complete Protein Dietary Guide. Explore different protein sources, suitable for fitness enthusiasts, vegetarians, and health-conscious individuals. Refer to our articles to develop your protein intake strategy.

**Key considerations when choosing:**

* **Target audience:** Who are you writing for? (e.g., general audience, fitness enthusiasts, etc.)
* **Purpose of the blog/website:** What’s the overall theme?
* **Length:** WordPress typically allows longer tag descriptions, but keep it concise if necessary.
* **Keywords:** Make sure it includes key words to improve SEO within Chinese search engines.

I recommend choosing the option that best fits your content and focus. Remember to adapt the tone and style to your blog’s overall voice. You can also adjust it slightly based on your specific content. Good luck!