这位医生被誉为屠龙勇士，成功治愈了许多危重病人。

The doctor was hailed as a ___dragon-slayer for successfully treating many critically ill patients.

那位传说中的屠龙者因其勇敢事迹而被人们世代传颂。

The legendary ___dragon-slayer was celebrated for generations for his brave deeds.