How to say you must put an end to this foolish behavior. in Japanese
1)
君君(kun) (pn) you/buddy/pal/monarch/ruler/sovereign/masterはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sighこんなこんな(konna) (adj-pn) such , or about ideas expressed by the speaker)/like this愚か愚か(oroka) (adj-na,n) foolish/stupidなな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibition行為行為(koui) (n) act/deed/conductをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,やめなければならno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbないない(nai) (aux-adj) not/emphatic suffix。。(。) Japanese period "."
