Crash Course
WordNet

noun


(1)   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"
WiktionaryText

Noun



  1. A quick, intense course of learning, especially one which is informal or hurried.
    He got a crash course in babysitting when his sister dropped off his nephew for the afternoon.
 
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