trend
Idioms (3)
-
jump on the bandwagon
CEFR B2To join a popular trend or activity because many others are doing it.
Neutral -
flash in the pan
CEFR B2something that shows brilliant early promise but fails quickly and leaves nothing behind
Informal -
flavor of the month
CEFR B2a person, framework, or thing that is fashionable for a very short time
Informal