dropout

a person who has abandoned a course of study or who has rejected conventional society to pursue an alternative lifestyle.

자퇴

"a colleage dropout"

a momentary loss of recorded audio signal or an error in reading data on a magnetic tape or disk, usually due to a flaw in the coating.

a U-shaped slot at the end of a fork on a. bicycle, made to receive ethe aixe and enabling the wheel to be changed rapidly.

"떨어짐"

낙오 탈락

Reference