to prepare to work hard or take on a challenge
prepararse para trabajar duro o asumir un reto (prepararse para trabajar duro o asumir un reto)
"We need to roll up our sleeves if we want to finish this task on time."
"Necesitamos subir nuestras mangas si queremos terminar esta tarea a tiempo." (Necesitamos **subir nuestras mangas** si queremos terminar esta tarea a tiempo.)
a lifestyle full of excitement, activity, and sometimes risk
used humorously to let an older person go first
to have confidence in your abilities or opinions
to compete strongly against someone
to be competent or deserving respect in one’s field
a small amount of bright color added for effect