名 void,emptiness,guiding principles,theory;动 (空着) reserve space;形 empty,void,diffident,timid;副 (徒然; 白白地) in vain ;
[例句] 他把球放好,试着虚打了几下。 He placed the ball and tried a couple of feints.
[例句] 她感觉体虚、疲倦、头昏眼花。 She was plagued by weakness, fatigue, and dizziness.