to play a practical joke on one―play a low trick on one
悪になる
a bad thing―(悪事なら)―an evil deed―a dark deed―a crime―(間違ったこと、不正なことなら)―a wrong―(宗教道徳上の罪悪なら)―a sin―a vice―(凶事なら)―an evil―a misfortune―a calamity―(いたずらなら)―harm―mischief―(過失なら)―a fault
たちが悪いさま
to become worse―change for the worse―take a turn for the worse―deteriorate―(食物なら)―Pickles go bad―Eggs spoil―Meat or fish taints―Milk turns sour.
the degree of wickedness of something or someone