What does the idiom “crash course” mean?
Definition: rapid instruction in something; quick teaching aimed at basic competence
Example: I was never even into computers, but when I started that job I got a crash course in database programming.
What does the idiom “crash course” mean?
Definition: rapid instruction in something; quick teaching aimed at basic competence
Example: I was never even into computers, but when I started that job I got a crash course in database programming.