Keyword
empty air
Info
FrequencyTop 100-200
Type
Kyōiku (1st grade) 
?
KankenLevel 10
Heisig1414
Readings
くう
(52%)
そら
(25%)
(8%)
ぞら
(6%)
から
(4%)
(1%)
Composed of
hole
construction
Mnemonic

If you make a hole during construction it will be filled with empty air.

Used in kanji (5 in total)
refrain
body cavity
boorish
type of harp
Used in vocabulary (774 in total)
sky; the air; weather; far-off place; distant place; state of mind; feeling
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
space; room; airspace
Examples (200 in total)
He was looking at the sky.
He stood looking at the sky.
Without air and water, nothing could live.
We take air and water for granted.
The air here is terrible.
He looked up at the sky.
They looked up at the sky.
She looked up at the sky.
Who is looking up into the sky?
The air was cold.
Seen from the sky, the island was very beautiful.
The sky is big.
Some stars began to appear in the night sky.
You can see a lot of stars in the sky.
Not a star was to be seen in the sky.
There were a lot of stars visible in the sky.
The sky was full of stars.
Not a single star could be seen in the sky.
Were there any stars in the sky?
The sky is full of stars.
The sky is getting dark.
All of a sudden the sky became dark.
Stars began to appear in the sky.
Stars are shining in the sky.
Many stars were shining in the heavens.
The moon is low in the sky.
There is no air on the moon.
The moon is in the sky.
I hear the sky is very beautiful there.
The sky has brightened.
The sky is getting light.
The sky is getting brighter.
The rain stopped and the sky became bright.
Tell me who discovered air.
The stars are shining in the sky.
Some birds are flying high in the sky.
The bird is in the sky.
Do you know the reason why the sky looks blue?
How blue the sky is!
Why is the sky blue?
Do you know why the sky is blue?
The sky is blue.
We saw a strange object in the sky.
It is like the air we breathe.
The stars are shining very brightly in the sky tonight.
The moon is low in the sky tonight.
The heavens are bright with stars tonight.
The sun is shining in the sky.
I want to live in a quiet city where the air is clean.
The sky became as dark as if the sun had sunk.
The sky looks ominous. I wonder if it will rain.
I saw something strange in the sky.
The sky was full of clouds that night.
There are no clouds in the sky.
There isn't a single cloud in the sky.
The clouds floating in the sky are beautiful.
Clouds formed in the sky.
The sky is covered with clouds.
It is as if the whole sky were on fire.
The sky grew darker and darker.
Seen from the sky, the bridge appears more beautiful.
Is this seat available?
Is this seat empty?
Excuse me, is this seat free?
I'm not hungry right now.
Is there a room available for tonight?
I'm free this evening.
I'm free this afternoon.
Are you free this afternoon?
Are you free in the afternoon?
Two seats were vacant.
Are you free tomorrow afternoon?
Are you free tomorrow night?
Are you free tomorrow morning?
How did you spend your free time?
Is there a vacant seat?
I found an empty seat.
The street is empty.
The sky is over our heads.
Space itself was being warped.
Are you free after school?
If it were not for air and water, nothing alive would exist.
The huge building seemed to touch the sky.
The air feels somewhat cold this morning.
Now and then, I looked up at the sky.
The higher we go up, the thinner the air becomes.
If it were not for air and water, we could not live.
The higher we go up, the cooler the air becomes.
The air in this room is foul.
The bigger a city grows, the dirtier the air and water become.
The sky cleared up.
The sky is clear almost every day.
The sky is clear and the sun is bright.
The sky was bright and clear.
Where should I throw away this empty cup?
The air is pure around here.
He looked up at the night sky.
I saw something unusually shiny flying in the night sky.
This box is empty. It has nothing in it.
Air is invisible.
Water is as precious as air to man.
Water is as precious as air.
The smoke is rising in the air.
Numerous stars were visible in the sky.
He opened the window to let in some fresh air.
He went outside for a breath of fresh air.
She opened the window to let fresh air into the room.
There is nothing like fresh air.
Please let in some fresh air.
I opened the window so I might let fresh air in.
Let's breathe the fresh air.
The morning air is fresh and pleasant.
The air is fresh in the morning.
As we need fresh air, so fish need clean water.
We need fresh air.
What I need is fresh air.
I stepped outside for some fresh air.
Open the window and let in some fresh air.
Open the window and let some fresh air into the room, please.
Flowers and trees need clean air and fresh water.
He was looking upward to the sky.
Fresh air is necessary to good health.
Light is as necessary as fresh air is for health.
I saw a strange moving object in the sky.
As we went up, the air grew colder.
As we go up higher, the air becomes thinner.
There are billions of stars in the sky.
The air in the mountain is fresh and clean.
Even if pigs were to fly in the air, I would believe her.
If I had wings to fly, I would have gone to save her.
Do you ever dream about flying through the sky?
I wish I had wings to fly.
It is difficult to shoot a bird flying in the air.
Birds are flying in the air.
I wish I could fly like a bird.
Birds fly in the sky.
A plane is flying above the city.
The sky was completely dark.
The sky has become a bit cloudy.
The sky suddenly became overcast.
The sky clouded over.
The sky is becoming cloudy.
We went out for some fresh air.
People can't live without air.
We cannot do without air and water.
We can't live without air.
Raise your hand to the sky.
Yes, that's true. The air is very humid.
The trees looked black against the sky.
Before automobiles filled out streets, city air used to be clean.
He laid on his back and looked up at the sky.
He was lying on his back, looking at the sky.
The smoke ascended into the air.
The black angel spread those jet-black wings wide and flew up into the sky.
The stars twinkling in the night sky looked like jewels.
The stars were brilliant in the clear night sky.
This bag is empty.
I found the room empty.
The room has been empty for a long time.
The supermarket shelves were almost empty.
The bus arrived empty.
My cup's empty.
Our fridge is empty.
Hell is empty, and all the devils are here!
They found the room empty.
The shelves are empty.
The jar is empty.
All the houses in town were empty.
I opened the box, but it was empty.
When I opened the box, it was empty.
The bag is empty.
Stars were twinkling in the night sky.
The stars were twinkling in the sky.
The stars are twinkling in the sky.
I found the glass empty.
The box is almost empty.
I realized that that box was empty.
I really like a cloudy sky. Why? I don't even know.
We found all the boxes empty.
The parking lot is empty.
The parking lot was almost empty.
Air, like food, is a basic human need.
I can see a clear blue sky and feel so good.
A white cloud is floating in the blue summer sky.
A white cloud is floating in the blue sky.
I was deceived by the blue sky and brought no umbrella.
I go up to the rooftop when I want to see the blue sky.
The sky was a deep blue.
This can is empty.
The can is empty.
Could you please make room for me?
Are you free this evening?
Are you free tonight?
The apple appeased my hunger temporarily.
The meal satisfied his hunger.
However hungry you are, you must eat slowly.
If I had eaten breakfast this morning, I would not be hungry now.
I suppose you're hungry.
He satisfied his hunger with a sandwich and milk.
He has a hungry look.