Jump on the bandwagon
join others in doing or supporting something fashionable or likely to be successful
roller coaster
move, change, or occur in a dramatic manner/ to have ups and downs
under wraps
known to only a few people : secret.
bear the brunt
to suffer the main part or force
a quick study
learns quickly, intelligent
a white lie
a lie that is harmless to avoid being rude
keep up with the Joneses
people who feel it's important to show that they're as successful as others
a sight for sore eyes
to be glad to see someone
