“一顶神秘的王冠”和“一个平凡的高中生”英语怎么翻译？

一个平凡的高中生An ordinary senior high school student
一顶神秘的王冠A mysterious crown

一个平凡的高中生an ordinary high school student
一顶神秘的王冠A mysterious crown

一顶神秘的王冠
A mysterious crown

一个平凡的高中生
An ordinary high school student

1.a mysterious crown
2.an ordinary high school student(senior middle school student).

一个平凡的高中生an average high school boy

a mysterious crown
an ordinary student of senior high school