空
empty; sky; in vain; surname
Meanings
4 senses · 16 examplesadjective
empty; vacant; unrealistic
Can describe physical space, abstract content, or unrealistic thoughts/plans.
This suitcase is empty, there's nothing inside.
He only daydreams all day and never puts his ideas into practice.
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Empty talk harms the country, while solid work makes it flourish.
Please throw these empty bottles into the trash can.
There is no one on the playground at all, it's very quiet.
noun
sky; air; atmosphere
Refers to the large space above the earth, can be combined with other words to form specific terms like airspace.
It's sunny today, the sky is clear with no clouds.
The plane is flying at high altitude.
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Birds fly freely in the sky.
This building blocks our view of the sky.
The soldiers are conducting shooting training at the sky.
adverb
in vain; for no reason
Used to describe actions that do not achieve the desired result.
I made a wasted trip today and didn't get the ticket I wanted.
He busied himself all morning, but it was all for nothing.
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Don't worry unnecessarily about small things.
I waited for him for two hours yesterday, only to be stood up.
He tried to persuade the stubborn boss, but it was all in vain.
noun
surname Kong
A common Chinese surname, one of the top 100 surnames in China.
Mr. Kong is a new colleague at our company.