ㄧㄥㄒㄩㄥˊyīngxióngˊㄩㄥˋˇㄉㄧˋyòngwǔzhīdì

英雄无用武之地
  1. 比喻本領膽識沒有施展地方機會 專精教學研究擔任機會真是英雄無用武之地」。

a hero with no chance of using his might, to have no opportunity to display one's talents