concern

1. Origins, structure, and basic meaning

• Structure: 虞 is read ぐ, has 13 strokes, and relates to concern about unexpected events.
• Basic usage: 不虞 is read ふぐ, and 不慮 is read ふりょ.

2. Common pitfalls and similar expressions

• 不虞 and 不慮
  • 不虞 means unexpected accident or contingency.
  • 不虞の事態に備えて予備の連絡手段を決めました。 means “We arranged backup communications in preparation for an unexpected accident.”
  • 不慮 means unexpected or unforeseen.
  • 物語では不慮の事故が計画を大きく変えた。 means “In the story, an unexpected accident greatly changed the plan.”