Английский словарь американских идиом - think a great deal of

or think a lot of also think much of {v. phr.} To consider to be very worthy, valuable, or important; to esteem highly. * /Mary thinks a great deal of Tim./ * /The teacher thought a lot of Joe's project./ - The phrase "think much of" is usually used in negative sentences. * /Father didn't think much of Paul's idea of buying a goat to save lawn mowing./ Contrast: THINK LITTLE OF.