to replace old things or ideas with new ones
reemplazar cosas o ideas viejas por nuevas (reemplazar cosas o ideas viejas por nuevas)
"It's time for out with the old, in with the new."
"Es hora de dejar lo viejo atrás y dar la bienvenida a lo nuevo." (Es hora de **dejar lo viejo atrás y dar la bienvenida a lo nuevo**.)
to stop doing something bad or addictive
to open your books and begin studying
to barely have enough money to survive
Someone who starts using a new product before others.
testifying as a witness in court
to be in agreement or share similar thoughts or goals