| 虛 | [ xū ] devoid of content, void, false, empty, vain |
| 虛電路 | [ xū dìan lù ] virtual circuit, VC |
| 虛構 | [ xū gòu ] imaginary |
| 虛構小說 | [ xū gòu xiǎo shūo ] fiction |
| 虛懷若谷 | [ xū huái rùo gǔ ] very modest |
| 虛假 | [ xū jǐa ] (adj) false; untrue |
| 虛警 | [ xū jǐng ] false alert |
| 虛擬 | [ xū nǐ ] fictitious, theoretical, virtual |
| 虛擬環境 | [ xū nǐ húan jìng ] theoretical environment |
| 虛擬連接 | [ xū nǐ lían jīe ] virtual connection |
| 虛擬通道標誌符 | [ xū nǐ tōng dào biāo zhì fú ] virtual channel connection identifier, VCI |
| 虛擬通道連接 | [ xū nǐ tōng dào lían jīe ] virtual channel connection, VCC |
| 虛擬網絡 | [ xū nǐ wǎng lùo ] virtual network |
| 虛弱 | [ xū rùo ] weak, in poor health |
| 虛腕 | [ xū wàn ] empty wrist (method of painting) |
| 虛偽 | [ xū wèi ] false, hypocritical, artificial |
| 虛心 | [ xū xīn ] modest |
| 虛張聲勢 | [ xū zhāng shēng shì ] bluff |
| ⇒ 避實就虛 | [ bì shí jìu xū ] stay clear of the enemy's main force and, strike at his weak points |
| ⇒ 不虛此行 | [ bù xū cǐ xíng ] the trip has not been made in vain, the trip has been well worthwhile, it's been a worthwhile trip |
| ⇒ 固定虛擬連接 | [ gù dìng xū nǐ lían jīe ] Permanent Virtual Connection, PVC |
| ⇒ 交換虛電路 | [ jiāo hùan xū dìan lù ] Switched Virtual Circuit, SVC |
| ⇒ 空虛 | [ kōng xū ] (adj) hollow, no meaning, (n) emptiness |
| ⇒ 弄虛作假 | [ nòng xū zùo jǐa ] (saying) to cheat someone |
| ⇒ 謙虛 | [ qīan xū ] modest |
| ⇒ 永久虛電路 | [ yǒng jǐu xū dìan lù ] Permanent Virtual Circuit, PVC |