根性が曲がる (こんじょうがまがる) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-ru)
have a twisted personality; be perverse
Describes someone whose fundamental nature is warped, stubborn, or contrary; often used critically.
が
曲
がっ
た
態
度
に
は
本
当
に
腹
が
立
つ
。
His perverse attitude really makes me angry.