1. We were puzzled by the sudden disappearance of our guide.
    我们向导的突然失踪使我们迷惑了。

2. Why does a person standing in a bus or train tend to fall when a sudden start is made?
    一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？

3. The sudden appearance of a policeman caused the thief to run away.
    警察突然出现, 小偷就逃跑了.

4. The children were surprised by the sudden entry of their teacher.
    老师突然进来把孩子们吓了一跳.

5. The sudden movement of the door made it sway slightly and it gave me the impression that it was about to leap out at me.
    由于柜门突然打开，它也随之轻微摇晃起来，让我觉得它好像马上要跳出柜门朝我扑过来似的。

6. Then she burst out with sudden inspiration, "Give them to me!
    突然，她灵机一动，脱口说道：“把它们交给我！

7. Twice their talk and the sudden glow of their bedroom lights frightened him off.
    他们的说话声和卧室突然亮起的灯光曾两次把那名男子吓走。

8. There was a sudden drop in activity in the left side of the brain — the side most involved in language — and an exaggerated reaction on the right, the side strongest at thinking about the location of objects.
    他们的左半脑 -- 与语言能力相关的那一半 -- 的活动急剧下降，而右半脑，擅长思考物体方位的那一半，却做出强烈的反应。

9. Her sudden departure has disarranged my plans.
    她突然离去, 打乱了我的计划.

10. Here, we see the conscious mind observing the new combinations being formed in the unconscious, while the Wagner story shows the sudden explosion of a new concept into consciousness.
    在这件事中，我们看到意识一直注视着在无意识中形成的新组合，而瓦格纳的例子则显示了一个新想法在意识中的突然迸发。