(transitive, intransitive) to change, to shift, to switch, to alter
La marea ha cambiado. ― The tide has turned / shifted.
(transitive) to modify
(transitive, intransitive) to switch, to switch up, to change, to trade, to swap (usually + de) (when implying changing from one thing to another)
Estoy dispuesto a cambiar de lugar contigo. ― I am willing to trade places with you.
Siempre puedes cambiar de lado y unirte a nosotros.You could always switch sides and join us.
Sería una error que el país cambie de dirección ahora.It would be a mistake for the country to change direction now.
Probablemente debo cambiar de trabajo ahora antes de que sea demasiado tarde.I should probably change jobs now before it's too late.
(transitive) to replace, to change out, to swap out
Necesitarás cambiar las pastillas de freno, señor. Están rotas.You will need to replace the break pads, sir. They are cracked.
(transitive, formal) to exchange, to trade in
Cambio mi cheque en el banco.I cash my check at the bank.
¿Dónde puedo cambiar mis dólares por pesos?Where can I exchange my dollars for pesos?
(transitive, figurative) to turn around
Mi primo ahora tiene una segunda oportunidad a cambiar su vida.My cousin now has a second chance to turn his life around.
(reflexive) to swap, to trade, to switch
¿Podríamos cambiarnos los asientos? ― Can we trade seats?
(reflexive) to move (i.e., change from one place to another)
Ella se cambió del sótano al primer piso. ― She moved from the basement to the first floor.