牢固 ろうこ 'taru' adjective adverb taking the 'to' particle 牢固ろうこ 'taru' adjective Adverb English JMdict (multilingual) 1 adverb taking the 'to' particle firm;solid;inflexible;immovable Other forms 牢乎 【ろうこ】 漢字 kanji used 牢 prison, jail 7画 固 harden, set 8画
牢固ろうこ 'taru' adjective Adverb English JMdict (multilingual) 1 adverb taking the 'to' particle firm;solid;inflexible;immovable Other forms 牢乎 【ろうこ】