“机灵的”用英语怎么说？

她关掉了煤气,够机灵的.She was intelligent enough to turn off the gas.她有一双机灵的大眼睛.She has large, intelligent eyes.除了一条上好的胳膊,你还有一副机灵的头脑.In addition to your good right arm you have your subtle brain....