deliberate and stubborn unruliness and resistance to guidance or discipline指導または訓練への意図的で頑固な非従属と抵抗つむじ曲がり
deliberately deviating from what is good; "there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism"故意に良いことから逸脱することつむじ曲がり