流れ星

1. Origins, structure, and basic meaning

• Structure: The written form is 流れ星, read ながれぼし. Elements for flowing and star combine to denote a meteor briefly streaking across the night sky.
• Basic usage: 一筋の流れ星 describes one shooting star seen as a streak, while 流れ星が消える identifies what must remain visible while a wish is made.

2. Common pitfalls and similar expressions

• A single streak in the night sky
  • One shooting star is visible in the night sky. Example: 夜空に一筋の流れ星が見えた。 — I saw a single shooting star in the night sky.
• A wish made before it vanished
  • A wish is made before the shooting star disappears. Example: 流れ星が消える前に願い事を唱えた。 — I made a wish before the shooting star disappeared.