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3. concentrate on

concentrate on

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concentrate something on someone or something

to focus something on someone or something; to center on someone or something. Let's try to concentrate our efforts on finishing this job today. She concentrated her attention on Lynn.

See also: concentrate, on

concentrate (up)on someone or something

to focus one's thinking on someone or something; to think intensely about someone or something. (Upon is formal and less commonly used than on.) Please concentrate upon Jeff. He is the one we should discuss. Try to concentrate on your work more.

See also: concentrate, on