Philosophers had discussed at length.

哲学家们已经详细地讨论过

'I'm still not sure,' he said at length.

“我还是没把握。”他最后说道。

Mr. Perks questioned them at length to establish their bona fides.

珀克斯先生详细地询问他们以确定其诚意。

At length the carriage stopped.

马车终于停了下来。

At length came a young fox.

最后来了一只年轻的狐狸。

At length the woman hoped that God was about to grant her desire.

最后，女人希望上帝会满足她的愿望。