他们进行了一场热烈的对话。

They had an ___animated conversation.

他们看着他们的旅伴似乎与汽车司机进行了一场热烈的讨论。

They watched as their fellow travellers appeared to have an ___animated discussion with the driver of the car.

当乐队开始演奏时，人群变得活跃起来。

The crowd became ___animated when the band started playing.