close down
[phrasal verb] 1
a : to permanently stop operating : close(永久地)关闭;倒闭 b British : to stop broadcasting from a radio or television station for the day(电台或电视台当日节目)结束播音,结束播放 2
close down (something) or close (something) down : to permanently stop the services or activities of (a business, school, etc.)(永久地)停止营业,停止活动 — see also closedown