Italian → English
nastily
/BrE ˈnɑːstɪli 
, AmE ˈnæstəli/
adverb
1 (unkindly) [behave] scortesemente, in malo modo; [speak] sgarbatamente; [laugh] sguaiatamente
to say sth nastily dire qcs in modo scortese or in malo modo
2 (severely) [leak] molto; [crack] malamente