1 文書を見つけるための辞書。

• crash course, crash programme, crash program
• 特訓, 突貫作業
• a rapid and intense course of training or research (usually undertaken in an emergency); "he took a crash course in Italian on his way to Italy"; "his first job was a crash course in survival and in learning how to get along with people"; "a crash programme is needed to create new jobs"
• 訓練や研究の急で集中したコース（大抵、非常時に行われる）