Search the dictionary A Chinese word or character, or English Search 1 entry. yāntàizǐdān 燕太子丹 Prince Dan of Yan (-226 BC), commissioned the attempted assassination of King Ying Zheng of Qin 秦嬴政[Qin2 Ying2 Zheng4] (later the First Emperor 秦始皇[Qin2 Shi3 huang2]) by Jing Ke 荊軻|荆轲[Jing1 Ke1] in 227 BC