1[countableC, uncountableU]DNcloudy air near the ground which is difficult to see through 雾SYN mist
thick/dense/freezing fog
We got lost in the thick fog.
我们在浓雾中迷路了。
It will be a cold night, and there may be fog patches.
今夜天气寒冷,部分地区可能有雾。
A blanket of fog covered the fields.
大雾笼罩了田野。
The fog lifted (=disappeared) in the afternoon.
下午,雾散了。
2[singular] informalCONFUSED a state in which you feel confused and cannot think clearly 困惑,迷惘
My mind was in a fog.
我脑子里一片混沌。
fog of
the fog of tiredness
疲累引起的头脑昏沉
nCOLLOCATIONS
ADJECTIVES/NOUN + fog
thick/dense/heavy fog (=great in amount and difficult to see through)
The two lorries collided in heavy fog.
freezing fog
Flights were cancelled due to freezing fog.
swirling fog (=which blows around)
She could not see through the swirling fog.
patchy fog (=in some areas but not in others)
Mist and patchy fog will form tonight.
hill/sea/ground fog
Rain was forecast, along with hill fog.
verbs
be covered in fog
The mountains were covered in fog.
be shrouded in fog literary
The streets of London were shrouded in fog.
the fog comes down (also the fog descends literary) (=it appears)
Day after day the fog came down.
the fog rolls in (=it arrives from the mountains, the sea etc)
The fog rolled in from the ocean.
the fog lifts (=it disappears)
He sat and waited for the fog to lift.
phrases
a blanket of fog (=a large area of fog)
A blanket of fog lay over the town.
a bank of fog (also a fog bank) (=a large mass of fog)
As we approached the coast, we ran into a dense bank of fog.
patches of fog (=fog that forms in some places but not in others)
Patches of fog are expected later today.
Examples from the Corpus
fog• Densefog is making driving conditions difficult on many roads.• A matchedpair of front foglamps can be substituted for headlamps in conditions of fog or falling snow.• It exercised no power over its cloak of fog, it gives no direction.• Watch out for patches of fog in low-lying areas.• And the fog lighting up around him.• The grown-ups were already packing their cars in the hope of driving beyond the fog.• I could just make a dimfigure coming towards me in the fog.• JohnWadeshook his head and listened to the fog.• He sat and watched the foglift and reveal the colorless lake beneath, as blank as paper this morning.• All there was around her was endless waves of ruby and ice with the fog crawling beneath her feet.• The fog was so thick that it had obscured the land beneath them.• The fog has almost cleared - our plane will be able to take off soon• Thick fog is making driving conditions hazardous.
fog lifted• We left Shimoda as soon as the fog lifted, and attempted to sail on to Tokyo Bay.• In any case, there was nothing anyone could do about the men in the trenches until the fog lifted.
in a fog• Although Stillman seemed to be in a fog, he nevertheless knew where he was going.• Stillman seems to be in a fog.• They were envelopedin fog as they would continue to be for almost nineteen of the twenty hours of the flight.• Alas, I am still immersedin Fog.• Crazy is living in a fog and pissing your pants.• The trail was half lost in fog, the overcastsquatted on the mountain.• Dimitri Volkov was in a fog of mentalapathy and confusion.• The Republicanpresidentialcampaign moved out of New Hampshire on Wednesdayin a fog.• But it didn't work in fog.
1[intransitiveI, transitiveT] (also fog up)D if something made of glass fogs or becomes fogged, it becomes covered in small drops of water that make it difficult to see through (使)〔玻璃制品因有微小水滴而〕起雾变得模糊SYN mist up, steam up
The windscreen had fogged up.
挡风玻璃上起了雾。
2.CLEAR/EASY TO UNDERSTAND[transitiveT] to make something less clear 使模糊不清SYN cloud
Examples from the Corpus
fog• However, his scanner was fogged by emanations from the aspect of the hydra that was alive, almost masking the trace.• They are also fogged by the dumb idea that we are just doing some one else a favour.• Rain was hissing on the roof of the car wreck, fogging the scene still further.• My glasses fogged up as soon as I steppedoutside.• All this morning I been waiting for them to fog us in again.