drum someone out of something
phrasal verb with drum verb [ I or T ] uk/drʌm/ us/drʌm/ -mm-
开除;驱逐;将（某人）赶出…;迫使（某人）离开…
to force someone to leave a job, group, etc., often because they have behaved in a way that is not considered acceptable
The minister was drummed out of office when it was discovered that he had been taking bribes. 受贿的事情败露后那位部长被迫下台。