- 真命天子 zhēnmìngtiānzǐ right manthe man one is destined to marry; Mr. Right
- 一朝天子一朝臣 yīcháotiānzǐyīcháochén new chief brings new aides(saying) a new emperor brings with him his own court; used to describe how a new leader or manager replaces the existing staff with their own trusted subordinates.
- 挟天子以令诸侯 xiétiānzǐyǐlìngzhūhóu to control the emperor to command the nobles(idiom) to hold the emperor hostage and command his vassals in his name; to use the name of a superior or a powerful person to order others around
- 挟天子以令天下 xiétiānzǐyǐlìngtiānxià to control the ruler to rule the countryto hold the emperor hostage in order to control the nobles; to use a figurehead's authority to command others
- 告天子 gàotiānzǐ skylarkskylark (Alauda arvensis), a species of lark known for its song while soaring in the air
- 穆天子传 mùtiānzǐzhuàn Mu tianzi zhuanAn ancient Chinese book documenting the travels of King Mu of Zhou, known for blending historical facts with mythology; literally "The Biography of King Mu, the Son of Heaven"
- 闭门天子 bìméntiānzǐ narrow authority(idiom) an emperor who rules behind closed doors; refers to a person whose authority is narrowly confined or whose power is purely nominal