close down (/up); go bankrupt;put up the shutters ❍ 现在他们维持不下，难免要弄到～，……(茅盾《子夜》131)They are now going downhill and it looks as if they’ll soon have to close down.
关门大吉guan men da ji
close down for good
关门大吉ɡuān mén dà jí
吉：吉利。指商店、单位关门倒闭。close down for good, go bankrupt, wind up business, fold up