Here are a few options for the description of a WordPress post tag “第一次養貓” (First Time Cat Owner) in Traditional Chinese, ranging in detail and tone:

**Option 1: Concise and General**

> 標籤： 初次踏入貓奴世界，分享第一次養貓的經驗、心得與小撇步。

* **Translation:** Tag: Stepping into the world of cat owners for the first time, sharing experiences, tips and advice about first-time cat ownership.

**Option 2: Slightly More Descriptive**

> 首次養貓嗎？這個標籤收錄了關於新手養貓的所有文章，包含挑選貓咪、準備貓咪用品、餵養、照顧、以及常見的問題。

* **Translation:** First time cat owner? This tag curates all the articles about being a beginner cat owner, including choosing a cat, preparing necessary supplies, feeding, caring, and common issues.

**Option 3: Focused on Emotion and Community**

> 迎接你的第一個貓朋友！這裡紀錄了我們的第一次養貓，分享喜悅、挑戰與成長。歡迎加入我們的行列，一起學習，一起愛貓！

* **Translation:** Welcoming your first feline friend! This is where we chronicle our first time owning a cat, sharing joys, challenges, and growth. Welcome to join us, learn together, and love cats together!

**Option 4: More Emphasis on Problems/Challenges**

> 克服第一次養貓的挑戰！這裡分享新手養貓可能遇到的問題，以及解決方案，讓你的貓咪生活更輕鬆、更愉快。

* **Translation:** Overcoming the challenges of first time cat ownership! This is where we share potential problems that new cat owners might encounter, and solutions, to make your cat’s life easier and more enjoyable.

**Option 5: Focusing on the Learning Process**

> 第一次養貓，一切都是新的開始！在我們學習的過程中，為你整理實用的新手指南、經驗分享與常見迷思的解答。

* **Translation:** First time cat owner, everything is a new beginning! In our process of learning, we curate practical guides for beginners, shared experiences, and answers to common myths.

**How to Choose:**

* **Consider your blog’s overall tone:** Is it informational, emotional, or lighthearted?
* **Think about the content of your posts:** Does your content focus on challenges, joys, or practical advice?
* **Keep it concise:** While longer descriptions can be more informative, aim to keep the description relatively short and easy to understand at a glance.

Choose the description that best reflects the content covered under this tag and the overall theme of your blog! You can adapt them further to better suit your needs.