Englishfor English speakers
focus
Verb
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If you focus on something, you pay special attention to it.
A small company will probably focus its attention on each artist's project more than a major label.
Class, please focus on your assignment and stop talking.
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If you focus a lens, you adjust it to make a clear picture.
Most digital cameras automatically focus on the object in the centre.
You know, without my glasses, my eyes just can't focus well enough to read.
focus
Noun
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The focus is the main thing or person that people are paying attention to.
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If your focus is on something, your attention is on it.
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If something is in focus, the image is clear.
attention
Noun
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If you pay attention to something, you focus your mind on it.
Pay attention to me when I'm speaking to you.
He waved to draw attention to himself.
She couldn't keep her attention on her books.
on
Preposition
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positioned at the upper surface of, touching from above
The apple is on the table.
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at the date of
Tim was born on the 4th of July.
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along, forwards (continuing an action)
drive on, rock on
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about, dealing with the subject of
I have a book on history.
There was a World Summit on the Information Society a few weeks ago.
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touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
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because of, due to
He was arrested on suspicion of bribery.
I contacted Joanne on a hunch that she would know about it.
The stock price increased on news of a new product.
on
Adjective
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If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.