Chinese uses a logographic writing system where each character represents a word or a morpheme (a meaningful part of a word).
If you're looking for a specific Chinese word or concept that starts with "a", please provide me with more context.
For example, you could ask:
* "What is the Chinese character for 'apple'?"
* "How do you say 'hello' in Chinese?"
* "What is the character for 'one' in Chinese?"
I'll be happy to help you find the right character! 😊