精進

1. Origins, structure, and basic meaning

• Structure: 精進(しょうじん) is a noun and する verb for sustained devotion or diligent effort toward a goal.
• Basic usage: Devotion to practice appears in 稽古に精進する, while striving to improve skills appears in 技術の向上に精進する.

2. Common pitfalls and similar expressions

• Sustained devotion
  • It emphasizes continuing to train and work toward a goal rather than making one isolated effort.
• Formal commitment
  • 精進してまいります is a polite, formal way to promise continued effort.