How to say he explained that he knew nothing about the matter. in Japanese
1)
彼彼(kare) (ok) that , or something understood without naming it directly)/that person/over there/hey/eh?/thatはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sighそのことについてno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb何も何も(nanimo) (exp,adv) nothing/not any/and everything else/all知らno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbないとないと(naito) (exp) have to/must/is indispensable/absolutely necessary説明し説明し(setsumeishi) (n,vs) explanation/expositionたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
