If you put it that Mrs. Douglas and Barker know the truth about the murder, and are conspiring to conceal it, then I can give you a whole-souled answer. I am sure they do. But your more deadly proposition is not so clear. Let us for a moment consider the difficulties which stand in the way.
如果你认为道格拉斯夫人和巴克知道谋杀案的真情，并且合谋策划，隐瞒真相，那我打心眼里同意你，肯定他们是这样干的。不过你那击中要害的前提还不那么清楚。我们先来把妨碍我们前进的疑难问题研究一下吧。