the Gestapo
noun [ + sing/pl verb ] uk/ɡeˈʃtɑː.pəʊ/ us/ɡeˈʃtɑː.poʊ/
盖世太保（1933-1945纳粹德国时期的秘密警察，实行残酷恐怖的统治，迫害人民）
the secret police of the Nazi period in Germany 1933-45, who used cruel and evil methods and were involved in the killing of a very large number of people