Here are a few options for a WordPress post tag description for “中國信託ATM” in Traditional Chinese, ranging in detail and focus:

**Option 1 (Concise & General):**

> 查詢與中國信託銀行ATM相關的資訊。 (For information related to China Trust Bank ATMs.)

**Option 2 (Slightly More Specific):**

> 關於中國信託ATM提款、轉帳及其他相關服務的資訊。 (Information about China Trust ATM withdrawals, transfers, and other related services.)

**Option 3 (Focusing on User Needs):**

> 尋找最近的中國信託ATM、手續費說明、操作指南等實用資訊。 (Find practical information such as nearby China Trust ATMs, fee explanations, and operation guides.)

**Option 4 (Informative & Keyword-Rich):**

> 包含中國信託ATM位置、服務時間、操作教學、轉帳限額、手續費查詢等相關資訊，方便您使用中國信託的ATM。 (Including information about China Trust ATM locations, service hours, operation tutorials, transfer limits, fee inquiries, etc., to make it easier to use China Trust ATMs.)

**Which option to choose depends on:**

* **The overall tone of your website:** Is it formal or informal?
* **The type of content you are writing about:** Are you focusing on user instructions, general news, or a combination?
* **Your target audience:** Are they beginners or experienced users?

I recommend using **Options 2, 3, or 4** for most cases, as they provide enough context without being overly verbose. Remember to choose the description that best reflects the content that the tag is related to.