固かたい話はなしMeaningsExpressionNoun1. serious topic (of conversation)Kanji used固solidify話to speakComposed of固かたいhard; solid; tough; stiff; tight; wooden; unpolished (e.g. writing); strong; firm (not viscous or easily moved); safe; …I-adjective話はなしtalk; speech; chat; conversation; topic; subject; discussions; negotiation; argument; rumor; …Noun