Definition of you can't teach an old dog new tricks
—used to say that a person who is old or is used to doing things in a certain way cannot learn or does not want to learn a new way I tried to get my mother to start using a computer, but she says you can't teach an old dog new tricks.
Test Your Vocabulary
The Exceptions Quiz III
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- Which of these words does not mean "nonsense"?

Can you spell these 10 commonly misspelled words?
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Merriam-Webster unabridged
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