up in the air
Not yet resolved, finished, answered, decided or certain.
I think I can do it quickly, but the exact schedule is still up in the air.
ADJ
hot, warm | chill, cold, cool, crisp
clean, clear, fresh, pure
After opening the windows, clean air finally filled the bedroom.
sweet
The sweet air from the bakery made everyone walk slower down the street.
foul/foul-smelling, polluted, stale
After being closed all winter, the classroom had stale air that made everyone feel sleepy.
damp, humid | dry
still
The still air made it hard to breathe on that hot summer afternoon.
thin
At high altitude, the thin air makes it harder to breathe during exercise.
thick
The thick air in the crowded restaurant made it hard to breathe.
country, mountain, sea
evening, morning, night
The cool morning air felt refreshing as she stepped outside for her walk.
QUANT
blast, gust
A sudden gust of air blew my hat off while I was walking through the park.
current
The strong air current from the window blew my papers across the desk.
breath
She took a deep breath of air before diving into the cold pool.
VERB + AIR
breathe (in), gulp in, suck in
After running up the stairs, he needed to stop and gulp in some fresh air.
fight for, gasp for
After diving deep underwater, the swimmer broke the surface and gasped for air.
smell, sniff
After opening the windows, she smelled fresh air coming into the stuffy room.
fill, hang in
The smell of fresh bread filled the air when the bakery opened early this morning.
AIR + VERB
blow, rise, waft
A gentle breeze blew the salty air across the beach as we walked along the shore.
AIR + NOUN
pollution
quality
The city installed new sensors to check air quality in residential neighborhoods.
pressure | current
PREP
in/into the ~
She threw her hands in the air and cheered when her team won the match.
through the ~
The sound of children laughing echoed through the air at the playground.
PHRASES
in the open air
AIR + NOUN
travel | fare
traffic
The pilot received permission from air traffic control to land on the runway.
crash, disaster
attack, strike
The military launched an air attack on the enemy's radar station yesterday.
PREP
by ~
from the ~
The damage to the forest was much worse when we saw it from the air.
PHRASES
in mid-air
The acrobat caught the ball in mid-air and tossed it back to the audience.
VERB + AIR
have, retain
Even after losing the competition, she retained an air of confidence that impressed everyone.
add, bring, give (sth)
The new furniture and fresh paint brought an air of comfort to the old apartment.
PREP
with an/the ~
She walked into the room with an air of quiet confidence that impressed everyone.
~ of
ADV
in public, openly, publicly
The couple decided to air their disagreements publicly rather than argue in private.