Como dizer "bater de frente (com alguém)" em inglês

Bater de frente com uma pessoa, alguma idéia = dizer diretamente o que pensa, censurar (discordar) severamente.

Lash out at = to burst into or resort to verbal or physical attack, attack in speech or writing

Examples:

Mitt Romney lashes out at President Obama over foreign policy and unemployment at this year's CPAC conference. (CNN)
She lashed out at him with a sharp retort.
The media has been lashing out Berlusconi over his poor excuses.