用英语说我想吃饭怎么说

To say that you want to eat in English, you can say "I want to eat" or "I'm hungry." You can also say "I'm craving something to eat" or "I need to get some food." If you want to be more specific about what you want to eat, you can say something like "I want to have Chinese food for dinner" or "I'm in the mood for a slice of pizza."