Englishfor English speakers
generous
Adjective
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A generous person is one who gives time or money to help others.
Erasmus Darwin was a generous man who helped many people.
work
Verb
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If you work, you do a job, usually for money.
My father works at Microsoft.
I got to work at 7:30 each morning.
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If you work you are doing something that needs effort.
I worked on my school paper all night long.
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If somethings works it has done what it was supposed to do.
If my computer didn't work I couldn't type this.
I'm glad our plan worked.
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How something works is how it does what it does.
I would like to know more about how cars work.
The rules here just do not work that way.
work
Noun
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Your work is your job.
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Work is effort it takes to do something. That is, its what makes you tired when you do something hard.
Moving heavy logs takes a lot of work.
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Work is force through a distance (force times distance). This is how much energy you used to move something.
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A work is the product of something, the result of working on it. That is, its something someone has made.
The painting was a great work of art.
Shakespeare wrote many literary works.
envelope
Noun
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An envelope is a paper cover that you put a letter in to send it.
She put the letter into the envelope, addressed it to Charles, and put a stamp on it.
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An envelope is a covering that goes all the way around something.
Each virus has a special envelope of protein surrounding it.