更多意思
n.1.  云
2.  云状物,(一)群,(一)团
3.  忧郁,焦虑
vt.1.  使难以理解,使记不清楚,使模糊
2.  使显得阴沉,使看起来忧愁
3.  (尤指用无关的话题来)混淆,搅浑(问题)
4.  使减少乐趣,使不快乐
5.  使不透明,使模糊
vi.1.  (脸色)显得阴沉(或恐惧、愤怒等),看起来忧愁(或害怕、愤怒等)
2.  (天空)布满云
3.  不透明,模糊
参考例句
1. | The horses' hooves raised a cloud of dust. |
| 马蹄扬起了一片尘土。
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2. | There wasn't a cloud in the sky. |
| 天空无云。
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3. | The top of the mountain was covered in cloud . |
| 浮云遮盖着山顶。
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4. | A cloud of suspicion is hanging over him. |
| 有一团疑云笼罩着他。
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5. | Her arrival cast a cloud (of gloom) over the party. |
| 她一来给聚会蒙上了一层阴影。
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