How to say you should have known better than to take an examination without preparing for it. in Japanese
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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準備準備(junbi) (n,vs) preparation/setup/arrangements/provision/reserveなしになしに(nashini) (adv) without受験受験(juken) (n,vs) taking an examinationするする(suru) (vs-i) to do/to cause to become/to make/to turn/to serve as/to act as/to work as/to wear/to judge as being/to view as being/to think of as/to treat as/to use as/to decide on/to choose/ to be sensed/to be/to be worth/to cost/to pasなんてなんて(nante) (suf) such as/like/exclamation馬鹿馬鹿(baka) (n) fool/idiot/trivial matter/folly/absurdity/foolish/stupid/dull/absurd/ridiculous/ surf clamなな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionことこと(koto) (prt) particle indicating a command/particle indicating mild enthusiasm/particle indicating a gentle interrogative/particle used to soften a judgment or conclusion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,すべきでなかったno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbねね(ne) (prt) indicates emphasis, agreement, request for confirmation, etc./is it so/hey/come on。。(。) Japanese period "."
