to keep changing your attitude or mood
mantener cambiando tu actitud o estado de ánimo (mantener cambiando tu actitud o estado de ánimo)
"He’s blowing hot and cold about the new project."
"Él está cambiando de actitud sobre el nuevo proyecto." (El esta cambiando de actitud sobre el nuevo proyecto.)
to stay informed or at the same level as something or someon...
at the peak of activity or progress
to be angry or resentful about something from the past
to choose not to participate
to cause something to increase
to be very brave and calm under pressure