Here are a few options for a WordPress post_tag description for “瘦幾公斤” (Shòu jǐ gōngjīn) in Traditional Chinese, ranging in formality and tone:

**Option 1: Concise & Direct**

* **Description:** 想知道瘦多少，達成減重目標？ (Xiǎng zhīdào shòu duōshao, dáchéng jiǎnzhòng mùbiāo? – Want to know how much you’ve lost, and achieve your weight loss goal?)

**Option 2: A Little More Informative**

* **Description:** 記錄、分享、追蹤你的減重旅程，瘦幾公斤，健康瘦身！ (Jìlù, fēnxiǎng, zhuīzōng nǐ de jiǎnzhòng lǚchéng, shòu jǐ gōngjīn, jiànkāng shòushēn! – Record, share, and track your weight loss journey, how many kilograms you lose, and achieve healthy weight loss!)

**Option 3: Focus on Motivation**

* **Description:** 加油！我們一起瘦幾公斤，迎接更健康的自己！ (Jiāyóu! Wǒmen yīqǐ shòu jǐ gōngjīn, yíngjiē gèng jiànkāng de zìjǐ! – Come on! Let’s lose some kilograms together and greet a healthier self!)

**Option 4: Focus on Content Relevance (if the site has recipes/tips)**

* **Description:** 關於減重、瘦身、以及瘦幾公斤的各式食譜、運動建議和健康資訊。 (Guānyú jiǎnzhòng, shòushēn, yǐjí shòu jǐ gōngjīn de gèshì shípǔ, yùndòng jiànyì hé jiànkāng zīxùn. – Recipes, exercise recommendations, and health information related to weight loss, slimming down, and losing kilograms.)

**Which one to choose?**

* Consider the overall tone and content of your blog/website.
* If your site is a general lifestyle blog, options 1-3 are good.
* If your site focuses on health and fitness or has specific content on recipes/exercise, option 4 or 2 is perfect.
* You can use the keywords “減重” (jiǎnzhòng – weight loss), “瘦身” (shòushēn – slimming down), or “健康” (jiànkāng – health/healthy) to help people find your blog posts!
* The length should be short to prevent description truncation.

Remember to tailor the description to the specific content that relates to “瘦幾公斤” in your posts. Consider what kind of content you write and how your readers would search for relevant information. Good luck!