形 (不包含什么; 里面没有东西或没有内容; 不切实际的) empty,hollow,void;名 sky,air,[佛教] emptiness,void of the world of senses;副 (没有效果; 白白地) for nothing,in vain;
[例句] 我去踢球却踢了个空。 I went to kick the ball and I completely missed it.
[例句] 房间仍然很简朴,四面都是饰有圆点的绿色空墙。 The room remains simple with bare, stippled green walls.