| 1 | 虚 | 虛 | xū | xu1 | emptiness; void; abstract theory or guiding principles; empty or unoccupied; diffident or timid; false; humble or modest; (of health) weak; virtual; in vain | | |
| 2 | 空虚 | 空虛 | kōng xū | kong1 xu1 | hollow; emptiness; meaningless | | |
| 3 | 虚伪 | 虛偽 | xū wěi | xu1 wei3 | false; hypocritical; artificial; sham | | |
| 4 | 虚构 | 虛構 | xū gòu | xu1 gou4 | to make up; fabrication; fictional; imaginary | | |
| 5 | 虚假 | 虛假 | xū jiǎ | xu1 jia3 | false; phony; pretense | | |
| 6 | 谦虚 | 謙虛 | qiān xū | qian1 xu1 | modest; self-effacing; to make modest remarks | | |
| 7 | 虚心 | 虛心 | xū xīn | xu1 xin1 | open-minded; humble | | |
| 8 | 虚实 | 虛實 | xū shí | xu1 shi2 | what is true and what is false; (to get to know) the real situation | | |
| 9 | 虚拟 | 虛擬 | xū nǐ | xu1 ni3 | to imagine; to make up; fictitious; theoretical; hypothetical; (computing) to emulate; virtual | | |
| 10 | 虚弱 | 虛弱 | xū ruò | xu1 ruo4 | weak; in poor health | | |
| 11 | 虚职 | 虛職 | xū zhí | xu1 zhi2 | nominal position | | |
| 12 | 羸瘦虚弱 | 羸瘦虛弱 | léi shòu xū ruò | lei2 shou4 xu1 ruo4 | weak and emaciated (idiom) | | |
| 13 | 浪得虚名 | 浪得虛名 | làng dé xū míng | lang4 de2 xu1 ming2 | to have an undeserved reputation (idiom) | | |
| 14 | 理亏心虚 | 理虧心虛 | lǐ kuī xīn xū | li3 kui1 xin1 xu1 | to be in the wrong (idiom) | | |
| 15 | 光阴虚度 | 光陰虛度 | guāng yīn xū dù | guang1 yin1 xu1 du4 | to loaf away one's time (idiom) | | |
| 16 | 故弄玄虚 | 故弄玄虛 | gù nòng xuán xū | gu4 nong4 xuan2 xu1 | deliberately mystifying; to make sth unnecessarily complicated | | |
| 17 | 发虚 | 發虛 | fā xū | fa1 xu1 | to feel weak; to be diffident | | |
| 18 | 耳听为虚,眼见为实 | 耳聽為虛,眼見為實 | ěr tīng wéi xū , yǎn jiàn wéi shí | er3 ting1 wei2 xu1 , yan3 jian4 wei2 shi2 | Take what you hear to be false, only believe it when you see it (idiom). Don't believe what people tell you until you see if for yourself.; It ain't necessarily so. | | |
| 19 | 等闲虚度 | 等閑虛度 | děng xián xū dù | deng3 xian2 xu1 du4 | to pass the days in a useless, common way (idiom) | | |
| 20 | 纯属虚构 | 純屬虛構 | chún shǔ xū gòu | chun2 shu3 xu1 gou4 | an out-and-out fabrication (idiom) | | |
| 21 | 做贼心虚 | 做賊心虛 | zuò zéi xīn xū | zuo4 zei2 xin1 xu1 | to feel guilty as a thief (idiom); to have sth on one's conscience | | |
| 22 | 乘虚蹈隙 | 乘虛蹈隙 | chéng xū dǎo xì | cheng2 xu1 dao3 xi4 | to take advantage of sb.'s undefended state to attack (idiom) | | |
| 23 | 趁虚而入 | 趁虛而入 | chèn xū ér rù | chen4 xu1 er2 ru4 | and seized the opportunity to enter | | |
| 24 | 不虚此行 | 不虛此行 | bù xū cǐ xíng | bu4 xu1 ci3 xing2 | the trip has not been made in vain; the trip has been well worthwhile; it's been a worthwhile trip | | |
| 25 | 避实就虚 | 避實就虛 | bì shí jiù xū | bi4 shi2 jiu4 xu1 | (idiom) stay clear of the enemy's main force and strike at his weak points | | |