Ⅰ名词 1.(空虚) void; emptiness 短语和例子 乘虚而入 infiltrate by taking advantage of the other side's unpreparedness; exploit a weak point; 凌虚 soar to the skies; 太虚 the great void; the universe2.(政治思想等方面的道理) guiding principles; theory 短语和例子 务虚 discuss principles or ideological guidelines; 以虚带实。let correct ideology guide practical work.3.(二十八宿之一) xu, one of the lunar mansions 4.(姓氏) a surname 短语和例子 虚子羔 xu zigaoⅡ动词 (空着) reserve space 短语和例子 虚左以待 reserve the honoured post for someone competentⅢ形容词 1.(空着的) empty; void; unoccupied 短语和例子 座无虚席。 there was no empty seat.; all seats were occupied.2.(心虚; 勇气不足) diffident; timid 短语和例子 胆虚 timid; milk-livered; 心里有点虚 feel rather diffident3.(不真实; 虚假) false; nominal 短语和例子 虚名 false reputation; 耳闻为虚, 眼见为实。 what you hear about may be false; what you see is true.4.(不自满; 虚心)humble; modest 短语和例子 谦虚 modest5.(虚弱) weak; in poor health 短语和例子 气虚 lacking in vital energy; sapless; 身体很虚 be very weak physically; 他病后感到很虚。 he felt very weak after his illness.6.[物理学] (虚的) virtual 短语和例子 虚位移 virtual placement; 虚阴极 virtual cathodeⅣ副词 (徒然; 白白地) in vain 短语和例子 不虚此行 have not made the trip in vain; 箭不虚发。 not a single arrow missed its target