過失

1. Origins, structure, and basic meaning

• Structure: 過失, read かしつ, means a fault or lapse arising from a lack of care.
• Basic usage: In 小さな過失でも、医療現場では重大な結果を招くことがある。, a small lapse in care can have serious consequences in medical work.

2. Common pitfalls and similar expressions

• A lapse of care
  • 運転手の過失 refers to the driver's negligence. The focus is on failing to take care rather than acting deliberately.