急きゅう制せい動どう

noun

sudden braking; emergency braking

Refers to abruptly applying the brakes, often in an emergency or to avoid a collision. Commonly used in traffic and railway contexts.

• 急きゅう制せい動どうをかけたので、乗じょう客きゃくが前まえに倒たおれた。

  The passengers fell forward because the driver applied sudden braking.

• 急きゅう制せい動どうは事じ故こを防ふせぐために必ひつ要ような場ば合あいがある。

  Sudden braking is sometimes necessary to prevent an accident.