他这样猜测究竟有没有几分道理?到底应该怎样看待他的母亲：这个谋杀她参加了多少?这些疑问不断地困扰着他，使他心神不定。

• How far he was right in this conjecture, and what he ought to think of his mother, how far she was privy to this murder were the doubts which continually harassed and distracted him.