send someone down
phrasal verb with send verb [ T ] uk/send/ us/send/ sent | sent
(PRISON)
UK informal (US send someone up)将（某人）关入监狱
to send someone to prison
He was sent down for armed robbery. 他因持枪抢劫被判入狱。
She was sent down for three years. 她被判入狱3年。
(COLLEGE)
UK old-fashioned（大学）开除（某人），勒令（某人）退学
to ask someone to leave a college or university before the end of the course because they have done something wrong
She was sent down from Oxford for taking drugs. 她因为吸毒被牛津大学开除了。