敷しかれたレール

expression, noun

path laid out for one; predetermined course

Idiomatic expression referring to a life or career path predetermined by others, such as parents or society, often with a nuance of lacking personal choice.

• 彼かれは親おやに敷しかれたレールの上うえを歩あるいてきた。

  He has walked the path laid out by his parents.

• 敷しかれたレールから外はずれる勇ゆう気きが必ひつ要ようだ。

  You need the courage to stray from the predetermined path.