to study or get information about something by reading
estudiar o obtener información sobre algo leyendo (estudiar o obtener informacion sobre algo leyendo)
"Before visiting Japan, I read up about its culture and traditions."
"antes de visitar japón, investigué sobre su cultura y tradiciones." (antes de visitar japon, investigue sobre su cultura y tradiciones)
to take something from a lower place to a higher place
to access an online account using credentials
to progress in your career to take leadership roles
to be employed by someone or an organization
to keep being interested and eager to learn
to be unable to move because of sudden fear or surprise