Nantoka/牢固láo gùHSK 7–9牢固 (láo gù) is a Chinese word meaning “firm; secure”.Meanings1firm2securePart of speechadjectiveCharacters in 牢固牢láo · (literary) pen; fold (for livestock)固gù · hardRelated words坐牢to be imprisoned牢(literary) pen; fold (for livestock)固定to fix牢房jail cell固执obstinate顽固stubborn; obstinate类固醇steroid牢牢firmly地牢prison坚固firm牢狱prison大牢prisonStudy Chinese with flashcards →