危惧

1. Origins, structure, and basic meaning

• Structure: 危惧, read きぐ, means concern that something undesirable may occur.
• Basic usage: It is used for anticipated deterioration or delay.

2. Common pitfalls and similar expressions

• Concern
  • In 橋の老朽化を危惧している, を marks the concern.
  • 計画の遅れを危惧する声 means voices concerned about delay.
• State and expression
  • The first gives continuing concern; the second gives expressed concern.