Formal and Medical:
* 手指疼痛 (shǒu zhǐ téng tòng): This literally translates to "finger pain" and is the most common and formal way to describe a sore finger.
* 手指发炎 (shǒu zhǐ fā yán): This translates to "finger inflammation" and is used if the soreness is due to inflammation.
Informal and Everyday:
* 手指疼 (shǒu zhǐ téng): This is a more casual way to say "finger hurts" and is often used in daily conversations.
* 手指酸 (shǒu zhǐ suān): This means "finger is sore" and is used if the soreness is due to overuse or strain.
Example:
* "My finger is sore from typing all day."
* Formal: 我的手指疼 (Wǒ de shǒu zhǐ téng) - "My finger hurts."
* Informal: 我的手指酸 (Wǒ de shǒu zhǐ suān) - "My finger is sore."
Important Note:
* There are other more specific terms for different types of soreness. For example, if the finger is sore due to a cut, you might say "手指割伤了 (shǒu zhǐ gē shāng le)" which means "finger was cut."
Ultimately, the most appropriate phrase will depend on the context and the level of formality required.