Here are a few options for a WordPress post tag description for “Unfortunately” in Traditional Chinese, considering different levels of detail and nuance:

**Option 1: Short & Sweet (Recommended for most cases)**

* **Title:** “Unfortunately” (可惜)
* **Description:** 文章中表示遺憾、可惜、不幸的內容 (Wénzhāng zhōng biǎoshì yíhàn, kěxī, bùxìng de nèiróng) – Content in articles expressing regret, pity, or misfortune.

**Explanation:**

* This uses the most common translation of “Unfortunately” (可惜 – kě xī).
* The description is concise, clear, and explains the context of the tag within the blog’s content.

**Option 2: Slightly More Detailed**

* **Title:** “Unfortunately” (可惜)
* **Description:** 用來標記文中表達失望、遺憾、不幸、或負面情況的文章。標示這些文章的情緒基調。(Yòng lái biāojì wénzhōng biǎodá shīwàng, yíhàn, bùxìng, huò fùmiàn qíngkuàng de wénzhāng. Biāoshì zhèxiē wénzhāng de qíngxù jīdào.) – Used to tag articles that express disappointment, regret, misfortune, or negative situations. Highlights the emotional tone of these articles.

**Explanation:**

* This option expands upon the idea of expressing regret to include other related negative emotions.
* It uses more descriptive language to connect the tag with the content the reader can expect to find.

**Option 3: Focusing on Nuance (Best if your blog explores subtle differences in language)**

* **Title:** “Unfortunately” (可惜)
* **Description:** 標記文中表達”可惜”、”遺憾”之意，意指事情的結果並非所期望的，表達一種惋惜的情感。 (Biāojì wénzhōng biǎodá “kěxī”,’yíhàn” zhī yì, yì zhǐ shìqíng de jiéguǒ bìng fēi suǒ qīwàng de, biǎodá yī zhǒng wǎnxī de qínggǎn.) – Marks content expressing “kěxī” (pity) and “yíhàn” (regret), implying that the outcome of an event was not what was hoped for, and expressing a feeling of pity.

**Explanation:**

* This option hones in on the feeling of pity, regret and the disconnect of the outcome vs. what the author had hoped for.
* This is much more specific; a good option if your blog explores more complex emotions involved in the expression of regret.

**Important Considerations for Choosing:**

* **Your Target Audience:** Are they familiar with Chinese language? Would a simple description better serve those who do not?
* **Your Blog’s Style:** Does your blog use concise language, or is more descriptive language preferred?
* **Content Variety:** How varied is the content you’ll be applying this to? A more general option will fit more entries.
* **SEO (Search Engine Optimization):** While the description helps internally, it does not have any significance for search engines.

**How to Add the Description in WordPress:**

1. **Go to Posts -> Tags**
2. **Click Edit** on the “Unfortunately” (可惜) tag.
3. **Paste** your preferred description into the “Description” field.
4. **Click “Update”**.