剛健

1. Origins, structure, and basic meaning

• Structure: Spelling: 剛健. Reading: ごうけん. Core meaning: robust; sturdy.
• Basic usage: Representative examples: 厳しい訓練を重ねた青年は、剛健な体つきになった / その学校には、素朴で剛健な気風が受け継がれている.

2. Common pitfalls and similar expressions

• Robust body and spirit
  • It can describe a robust body in 剛健な体つき or a strong spirit and ethos in 剛健な気風. It is more literary and forceful than an everyday word for being healthy.