Search the dictionary A Chinese word or character, or English Search 8 entries. zìxù 自序 author's preface zìxǔ 自诩 to pose as zìxǔ 自詡 to pose as wǔzǐxū 伍子胥 Wu Zixu (–484 BC), Chu-born strategist for Wu. After the King of Chu executed his family, he fled to Wu and masterminded Wu's invasion of Chu (506 BC), destroying its capital in a campaign that doubled as personal vengeance. yuánzǐxùshù 原子序数 atomic number yuánzǐxùshù 原子序數 atomic number zǐxūwūyǒu 子虚乌有 to have no basis in fact zǐxūwūyǒu 子虛烏有 to have no basis in fact