commençant soudainement et sévèrement;troublant, soudain, stupéfiant

listen to the pronunciation of commençant soudainement et sévèrement;troublant, soudain, stupéfiant
French - English
{a} foudroyant
Having an awesome and overwhelming effect
Having a stunning or dazzling effect
{s} sudden, overwhelming, striking abruptly; beginning severely and suddenly (about disease)