Tra từ fog - Từ điển Oxford Advanced Learner 8th

fog [fog fogs fogged fogging] noun, verb BrE [fɒɡ] NAmE [fɔːɡ] NAmE [fɑːɡ]
noun uncountable, countable
1. a thick cloud of very small drops of water in the air close to the land or sea, that is very difficult to see through
•Dense/thick fog is affecting roads in the north and visibility is poor.
•freezing fog
•Patches of fog will clear by mid-morning.
•We get heavy fogs on this coast in winter.
•The town was covered in a thick blanket of fog.
•The fog finally lifted (= disappeared).
compare ↑mist
2. a state of confusion, in which things are not clear
•He went through the day with his mind in a fog.

Word Origin:
mid 16th cent.: perhaps a back-formation from ↑foggy.

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:
•A dense fog came down in the afternoon.
•A freezing fog lay over the valley.
•A heavy fog rolled in from the coast.
•Drizzle and patchy fog are forecast.
•The fog had lifted by late morning.
•The town was shrouded in a thick blanket of fog.
•We drove slowly through the fog.
•We got lost in the fog.
•fog drifting over the water
•Dense fog is affecting roads in the north and visibility is poor.
•Freezing fog will make driving conditions very treacherous.
•Visibility good, becoming moderate with fog patches.

verb (-gg-)
1. intransitive, transitive ~ (sth) (up) if a glass surface fogs or is fogged up, it becomes covered in steam or small drops of water so that you cannot see through
2. transitive ~ sth to make sb/sth confused or less clear
•I tried to clear the confusion that was fogging my brain.
•The government was trying to fog the real issues before the election.
Verb forms:

Word Origin:
mid 16th cent.: perhaps a back-formation from ↑foggy.