迷你对话：
A: In my opinions, someone else has caused the fire of this house.
我的意见是，人故意放火烧了这所房子。
B: Who do you think that has the motive?
你认为谁会有这样的动机呢？
A: I’m not sure now. In any case, let’s first make some careful investigations.
我现在还不能肯定。无论如何，让我们做一些认真的调查。
B: OK, murder will out!
好的，事情总会水落石出。
A: Yeah.
就是。