Translate into Chinese the underlined sentences in the article .
I. None was critical in itself, but the combination appeared to trigger a strange result.
2. Any individual whose brain has suffered such injuries can simply wander aimlessly away from the place where he lives, with all knowledge of his past blacked out.
3. Seeing signs advertising the services of a lames Peters, a real estate broker, Jim adopted James Peters as his own name.
4. They were too stunned to fall into each other’ s arms.