They would dance and sing songs at the top of their lungs.

他们会用尽一切力气唱歌跳舞。

Upon the outside several hundred other baboons were tearing and tugging in his aid, and all were roaring and jabbering and barking at the top of their lungs.

在外面，其他数百只狒狒正在撕扯和拉扯他的帮助，它们都在咆哮、喋喋不休、狂吠不止。