| 释义 |
 | 虚 | | xū | 名形副 | | | 1 emptiness; void; voidage: | | | 乘虚 take advantage of a weak point (or an opening) in an opponent's defence; act when sb. is off guard | | | 太虚 great void; universe |
| 2 〈古〉 【天】 xu (the eleventh of the twenty-eight constellations (二十八宿) into which the celestial sphere was divided, consisting of two stars in a straight line, one in Aquarius and the other in Equuleus) |
| II 形 empty; void; unoccupied: | | | 虚位 leave a seat vacant |
| 1 diffident; timid: | | | 胆虚 timid; milk-livered | | | 心里有点儿虚 feel rather diffident |
2 false; nominal (opp.  实): | | | 虚开增值税发票 write false value added tax invoices |
| 3 humble; modest: | | | 谦虚 modest |
| 4 weak; in poor health: | | | 身体很虚 be very weak physically |
| 5 abstract; theory; guiding principles: | | | 以虚带实。 Let correct ideology guide practical work. |
| 6 【物】 virtual: | | | 虚阴极 virtual cathode |
| III 副 in vain: | | | 箭不虚发。 Not a single arrow missed its target. |
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