She suddenly became very vehement and agitated, jumping around and shouting.

她突然变得激动狂躁，四处乱跳还大喊大叫。

One vehement critic is Michael Howard.

其中一位言辞激烈的评论家是迈克尔·霍华德。

She lowered her voice to a vehement whisper.

她压低了嗓音，声音低沉有力。