Here are a few options for the WordPress post_tag description, using Traditional Chinese, catering to different levels of explicitness:

**Option 1: Concise and Clear**

* **Description:** 學習英語的基礎知識，包括文法、詞彙和發音。 (Learning the fundamental knowledge of English, including grammar, vocabulary, and pronunciation.)

**Option 2: Slightly More Detailed**

* **Description:** 涵蓋英語學習的基礎要素，為初學者打下堅實的基礎。包括語法、詞彙、發音等，幫助您逐步掌握英語。 (Covering the basic elements of English learning, laying a solid foundation for beginners. Includes grammar, vocabulary, pronunciation, etc., to help you gradually master English.)

**Option 3: Emphasizing Support**

* **Description:** 專為英語初學者設計，提供關於英語基本概念的學習資訊。從文法到詞彙，我們將助你輕鬆跨越英語學習的起點。 (Designed specifically for English beginners, providing learning information about basic English concepts. From grammar to vocabulary, we will help you easily cross the starting point of English learning.)

**Option 4: Short and Sweeter**

* **Description:** 英語學習的起點，掌握基本文法、詞彙與發音。 (The starting point of English learning, mastering basic grammar, vocabulary and pronunciation.)

**Which option is best?**

* Consider your target audience. Are they complete beginners, or just needing a refresher?
* How much space do you have in your WordPress theme for the description?
* What’s the overall tone you’re going for on your blog?

Choose the option that best reflects your blog’s style and best serves your audience. I’d personally lean towards Option 2 or 3, as they are detailed without being overwhelming.