イエローフラッグ

noun

yellow flag (racing)

In motorsports, a yellow flag signals caution, such as an obstacle on the track.

• コース上じょうに事じ故こがあったため、イエローフラッグが振ふられた。

  A yellow flag was waved because there was an accident on the track.

noun

penalty flag (American football)

In American football, a yellow flag thrown by an official indicates a penalty.

• 審しん判ぱんがイエローフラッグを投なげ、反はん則そくが宣せん告こくされた。

  The referee threw a yellow flag and a penalty was called.