The doctor told you to stay in bed, and she knows best.
醫生叫你臥床休息，她最清楚你該怎么做。
She knows that becoming world champion is going to be a long haul.
她知道要成為世界冠軍需要長時間的艱苦努力。
I have a sneaking suspicion that she knows more than she's telling us.
我私下懷疑，她還知道一些情況，不想告訴我們。