瀬戸際

1. Origins, structure, and basic meaning

• Structure: 瀬戸際(せとぎわ) is a noun for a precarious, decisive point at which an outcome or fate hangs in the balance.
• Basic usage: It describes critical situations, such as a game about to be decided or a business facing closure.

2. Common pitfalls and similar expressions

• Standing at a critical point and reaching one
  • 瀬戸際に立つ describes being at that threshold; 瀬戸際を迎える describes reaching the critical point. The accompanying verb determines whether to use に or を.
• Two alternatives in the balance
  • 店を閉めるか続けるかの瀬戸際 describes a situation poised between closing the shop and continuing it. The focus is on the significance of the outcome, rather than merely the time just before something happens.