Tra từ cloud - Từ điển Oxford Advanced Learner 8th

cloud [cloud clouds clouded clouding] noun, verb BrE [klaʊd] NAmE [klaʊd]
noun
1. countable, uncountable a grey or white mass made of very small drops of water, that floats in the sky
• The sun went behind a cloud.
• It was scorching and there wasn't a cloud in the sky.
•The plane was flying in cloud most of the way.
see also ↑storm cloud, ↑thundercloud
2. countable a large mass of sth in the air, for example dust or smoke, or a number of insects flying all together
3. countable something that makes you feel sad or anxious
•Her father's illness cast a cloud over her wedding day.
•The only dark cloud on the horizon was that they might have to move house.
•He still has a cloud of suspicion hanging over him.
more at have your head in the clouds at ↑head _n.

Word Origin:
Old English clūd ‘mass of rock or earth’; probably related to ↑clot. Sense 1 dates from Middle English.

Thesaurus:
cloud noun C, U
1.
•The sun went behind a cloud.
•Thick cloud hung over the moor.
fog • • mist • |written haze •
in/through (a) cloud/fog/mist/haze
(a) thick/heavy/dense/grey/swirling cloud/fog/mist
be shrouded in cloud/fog/mist
2. C, U
•The car disappeared in a cloud of dust.
written plume • • haze •
a cloud/plume/haze of sth
a cloud/plume/haze of smoke/dust/steam
in/through a cloud/haze

Collocations:
The weather
Good weather
be bathed in/bask in/be blessed with/enjoy bright/brilliant/glorious sunshine
the sun shines/warms sth/beats down (on sth)
the sunshine breaks/streams through sth
fluffy/wispy clouds drift across the sky
a gentle/light/stiff/cool/warm/sea breeze blows in/comes in off the sea
the snow crunches beneath/under sb's feet/boots
Bad weather
thick/dark/storm clouds form/gather/roll in/cover the sky/block out the sun
the sky darkens/turns black
a fine mist hangs in the air
a dense/heavy/thick fog rolls in
the rain falls/comes down (in buckets/sheets)/pours down
snow falls/comes down/covers sth
the wind blows/whistles/howls/picks up/whips through sth/sweeps across sth
strong/gale-force winds blow/gust (up to 80 mph)
a storm is approaching/is moving inland/hits/strikes/rages
thunder rolls/rumbles/sounds
(forked/sheet) lightning strikes/hits/flashes
a (blinding/snow) blizzard hits/strikes/blows/rages
a tornado touches down/hits/strikes/destroys sth/rips through sth
forecast/expect/predict rain/snow/a category-four hurricane
(NAmE) pour (down)/ (BrE) pour (down) with rain
get caught in/seek shelter from/escape the rain
be covered/shrouded in mist/a blanket of fog
be in for/brave/shelter from a/the storm
hear rolling/distant thunder
be battered/buffeted by strong winds
(BrE) be blowing a gale
battle against/brave the elements
The weather improves
the sun breaks through the clouds
the sky clears/brightens (up)/lightens (up)
the clouds part/clear
the rain stops/lets up/holds off
the wind dies down
the storm passes
the mist/fog lifts/clears

Example Bank:
•Dark clouds were gathering in the west.
•Rain clouds were looming on the horizon.
•She could see the sun through the clouds.
•The cloud cover is quite dense today.
•The clouds broke a little, and the sun came out.
•The wind blew across the beach, forming clouds of sand.
•Thick cloud hung over the moor.
•We were flying above the clouds.
•White clouds scudded across the sky.
•a great cloud of black smoke
•a layer of high cloud
•a thick cloud of steam
•skies of broken cloud
•the mushroom cloud from a nuclear bomb
•Above the mountains storm clouds were gathering.
•It was scorching and there wasn't a cloud in the sky.
•The sky turned dark as a great cloud of locusts blocked out the sun.
•They watched the car disappearing in a cloud of dust.
Idioms: ↑every cloud has a silver lining ▪ ↑on cloud nine ▪ ↑under a cloud

verb
1. transitive ~ sth if sth clouds your judgement, memory, etc, it makes it difficult for you to understand or remember sth clearly
•Doubts were beginning to cloud my mind.
•His judgement was clouded by jealousy.
2. intransitive, transitive (formal) (of sb's face)to show sadness, fear, anger, etc; to make sb look sad, afraid, angry, etc
•~ (over) Her face clouded over with anger.
•~ sth Suspicion clouded his face.
3. transitive ~ the issue to make sth you are discussing or considering less clear, especially by introducing subjects that are not connected with it
4. intransitive ~ (over) (of the sky)to fill with clouds
•It was beginning to cloud over.
5. transitive ~ sth to make sth less pleasant or enjoyable
•His last years were clouded by financial worries.
6. intransitive, transitive if glass, water, etc. clouds, or if sth clouds it, it becomes less transparent
•~ (with sth) Her eyes clouded with tears.
•~ sth Steam had clouded the mirror.
Verb forms:

Word Origin:
Old English clūd ‘mass of rock or earth’; probably related to ↑clot. Sense 1 dates from Middle English.

Example Bank:
•Cost factors should not be allowed to cloud the issue.
•Further clouding the picture is the question of racial discrimination.
•Her happiness was clouded by having to leave her daughter behind in Jamaica.
•His last years were clouded by ill health.
•That day, the skies had clouded and it had become cool.
•The sky clouded over and it started to rain.