勉べん強きょう不ぶ足そくMeaningsNoun1. insufficient studyKanji used勉try hard強strong不negative足footComposed of勉べん強きょうstudy; diligence; working hard; experience; knowledge; lesson (for the future); discount; price reductionNoun不ふ足そくinsufficiency; deficiency; shortage; lack; scarcity; deficit; dissatisfaction; discontent; complaintNounExamples1彼かれは勉べん強きょう不ぶ足そくのせいで試し験けんに落おちました。He failed the exam because he had not studied enough.