确实，”expressing facial expressions” 和 “communicating with facial expressions” 都是很好的英语表达方式，用来描述用面部表情来表达情感或信息的动作。以下是一些其他的表达方式，你可以根据具体语境选择使用：
- Displaying facial expressions
- Conveying emotions through facial expressions
- Using facial expressions to communicate
- Articulating feelings with facial expressions
- Expressing oneself through facial expressions
- Communicating non-verbally via facial expressions
- Facial expression as a means of communication
- Facial expressions as a form of expression
- Non-verbal communication through facial expressions
- Facial expression as a language of emotions
每种表达都有其细微的差别，但都传达了用面部表情进行交流或表达情感的意思。