clearheaded meaning in English

头脑清楚的

He had not been entirely clearheaded when the chateau gates snapped shut behind him .
当大别墅的门在他身后“啪”地关上的时候，他的头脑还没清醒过来。
Are these measures geared at having all player show up clearheaded at training
这些措施有没有让球员们在训练中精神起来
See from world expressway setup , we proud will at the same time keep clearheaded brains ; quantity is gratifying , quality is more important
从世界高速公路格局看，我们自豪的同时要保持清醒的头脑，数量可喜，质量更重要。
If he had had any particle of doubt left , her talk would of necessity have resolved it ; but he was by that time clearheaded , and had none
若是他还有丝毫怀疑，她那话也肯定能让他释然于心了。但他那时已经头脑清醒，并不怀疑。