to shift to a new way of thinking or doing things
cambiar a una nueva forma de pensar o hacer las cosas (cambiar a una nueva forma de pensar o hacer las cosas)
"We need to change gears if we want to reach our target in time."
"Necesitamos cambiar de marcha si queremos alcanzar nuestro objetivo a tiempo." (Necesitamos **cambiar de marcha** si queremos alcanzar nuestro objetivo a tiempo.)
to suddenly start sweating due to fear or anxiety
to sleep very deeply and soundly
recovered and healthy again
to make a very serious promise that something is true
learning through difficult experiences in life
if you are determined, you can find a solution