about 短语

　　1. talk about 谈论,讨论

　　2. worry about 担心

　　3. care about 关心，担心

　　4. learn about 了解关于...

　　5. think about 考虑

　　6. be excited about 对...感到兴奋

　　7. be nervous about 对...紧张

　　8. be serious about 对...是认真的

　　9. complain about 埋怨，抱怨