If you describe someone or something as legendary, you mean that they are very famous and that many stories are told about them.
the legendary jazz singer Adelaide Hall.
大名鼎鼎的爵士乐歌手阿德莱德·霍尔。
A legendary person, place, or event is mentioned or described in an old legend.
The hill is supposed to be the resting place of the legendary King Lud.
这座山据说是传说中的路德国王休息的地方。