Crash course
Meaning: a course that teaches you a lot of basic facts in a very short time, a short and intense training course in something
Example: I took a crash course in ballroom dancing so we wouldn't look stupid on the dance floor.
Π‘Π΅ΡΠΈΠ°Π»Ρ ΠΈ ΡΠΈΠ»ΡΠΌΡ Π½Π° Π°Π½Π³Π»ΠΈΠΉΡΠΊΠΎΠΌ Ρ ΡΡΠ±ΡΠΈΡΡΠ°ΠΌΠΈ. +1 ΠΠ΅ΡΡΡ Π² ΠΏΠΎΠ΄Π°ΡΠΎΠΊ π
Example: I took a crash course in ballroom dancing so we wouldn't look stupid on the dance floor.