Here are a few options for a WordPress post tag description for “水果刀” (Fruit Knife) in Traditional Chinese, ranging from simple to slightly more descriptive, catering to different needs:

**Option 1: Simple & Direct**

* **Description:** 削皮、切塊水果用的刀具。 (A knife used for peeling and cutting fruits.)

**Option 2: Good for SEO & Detail**

* **Description:** 適用於各種水果的削皮、切塊、去核等處理。常見用於廚房，便於處理蘋果、梨子、芒果等水果。 (Suitable for peeling, cutting, and coring various fruits. Commonly used in kitchens, making it convenient to handle fruits like apples, pears, and mangoes.)

**Option 3: Highlights usage & style**

* **Description:** 一把好用的水果刀，讓您輕鬆處理新鮮水果，享受美味。 (A handy fruit knife that allows you to easily handle fresh fruits and enjoy the deliciousness.)

**Option 4: Short & Sweet**

* **Description:** 水果專用刀。(Fruit-specific knife.)

**Which option to choose depends on:**

* **Your audience:** Are they beginners or more experienced cooks?
* **The importance of SEO:** Do you want to target specific keywords for search engines?
* **Character limit:** WordPress might have a limit on how long a tag description can be.

I recommend **Option 2** if you want to cover the most bases. It’s relatively concise, informative, and includes keywords that a person might search for when looking for information related to fruit knives. You can adapt it slightly, such as adding the kind of blade the knife has like a serrated edge.