clear-head·ed
adjective/ˌklɪə ˈhedɪd/
/ˌklɪr ˈhedɪd/
- able to think in a clear and sensible way, especially in a difficult situation
（尤指在困境中）头脑清醒的，明白事理的 - In business Jane was clear-headed and decisive.
在生意上，简头脑清醒、果断。
- In business Jane was clear-headed and decisive.