english
1
general::
Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs