Here are a few options for the WordPress post_tag description for “狗狗表情” in Traditional Chinese, with slightly different nuances:

**Option 1 (Simple and Direct):**

* **Description:** 可愛狗狗的各種表情，讓你心情愉悅！包括開心、悲傷、驚訝等等。 (Cute dog expressions to make you happy! Includes happy, sad, surprised, and more.)

**Why it works:** This is straightforward and appeals directly to the potential audience.

**Option 2 (Slightly more descriptive):**

* **Description:** 分享狗狗的豐富表情，捕捉牠們的可愛瞬間。探索從撒嬌賣萌到搞怪搞笑的所有犬類表情，讓你更了解你的毛孩。 (Sharing the rich expressions of dogs, capturing their cute moments. Explore all dog expressions, from being sweet and charming to being mischievous and funny, to help you better understand your furry friend.)

**Why it works:** This option highlights the variety of expressions and the potential for learning.

**Option 3 (Focusing on a broader meaning):**

* **Description:** 狗狗表情包，收錄各種狗狗的表情圖片和動態圖，豐富你的網上對話和心情分享！ (Dog expression packs, including various dog expression images and animated GIFs, enriching your online conversations and mood sharing!)

**Why it works:** It’s related to the internet culture of using these expression images (like “memes”) and can be very useful.

**Option 4 (Short and Sweet):**

* **Description:** 萌犬表情，療癒你的心！ (Cute dog expressions, heal your heart!)

**Why it works:** It’s brief, memorable, and plays on the emotional appeal.

**To choose the best option, consider:**

* **The tone of your website/blog:** Is it formal or informal?
* **Your target audience:** Who are you trying to reach?
* **The content of your posts:** What kinds of posts will be categorized under “狗狗表情”?

I recommend using **Option 1 or Option 2** as a good starting point, since they are descriptive and cover different aspect of the topic. Remember to update or refine your descriptions based on how you use the tag and what kind of content you will post. Good luck!