cloud

1.[c][u]云；云朵a grey or white mass made of very small drops of water, that floats in the sky

3.[c]阴影；忧郁；焦虑；令人忧虑的事something that makes you feel sad or anxious

every cloud has a silver lining

黑暗中总有一线光明；朵朵乌云衬银边，处处黑暗透光明every sad or difficult situation has a positive side

on cloud nine

极其快乐；乐不可支extremely happy

under a cloud

有嫌疑；被怀疑if sb isunder a cloud , other people think that they have done sth wrong and are suspicious of them

1.[t]~ sth使难以理解；使记不清楚；使模糊if sthclouds your judgement, memory, etc., it makes it difficult for you to understand or remember sth clearly

2.[i][t]显得阴沉（或恐惧、愤怒等）；看起来忧愁（或害怕、愤怒等）to show sadness, fear, anger, etc.; to make sb look sad, afraid, angry, etc.

4.[i]~ (over)布满云to fill with clouds

5.[t]~ sth使减少乐趣；使不快to make sth less pleasant or enjoyable

6.[i][t]（使）不透明；（使）模糊if glass, water, etc.clouds , or if sthclouds it, it becomes less transparent

1.(显出疑惑,不满,悲哀等的)阴郁脸色;遮暗物,阴影

2.(水晶等的)雾斑,(镜子等上的)云斑

3.(名誉等的)污点

4.云状尘埃,烟(等);(鸟,虫,飞机等的)大群,大队

5.云

6.(编结的质地轻柔的)女围巾

1.破坏(名誉),损伤(友谊)

2.使乌云密布,使变黑暗

3.在(心)上投下苦恼的[忧愁的]暗影,使心情黯然

4.云层密布,变黑暗;(镜面等)布满云斑

5.(心)变忧郁,变黯然(over, up) (脸色)阴沉下来

1.a white or gray mass of very small drops of water in the sky

2.a large amount of smoke, dust, steam, etc. in the air; any large mass in the sky that looks like a cloud

3.something unpleasant that spoils an activity, event, or situation

1.to become darker because gray clouds are forming in the sky

2.if something transparent or shiny clouds, or if something clouds it, it becomes difficult to see through or into it; if something clouds a clear liquid, or if it clouds, it becomes no longer clear

3.to affect your thinking in a way that makes you likely to make a bad decision or forget something

4.to make something more complicated or confusing

5.to spoil an activity, event, or situation

6.if an emotion clouds your eyes, your eyes show the emotion