本ほん人にん次し第だい

noun

depends on the person themselves; up to the individual

Used to say that an outcome, decision, or effort depends on the person in question, not on external factors.

• 成せい功こうできるかどうかは本ほん人にん次し第だいだ。

  Whether you can succeed depends on you yourself.

• やる気きが出でるかどうかは本ほん人にん次し第だいです。

  Whether motivation comes or not is up to the person themselves.