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 have very little of something left
to confront someone with a problem or difficulty
to stay until the end of something that is long or boring
to find a solution or come to an agreement with others
to interrupt a conversation or online discussion
to try to finish something before a deadline