think a lot of

think a lot of (someone or something)

To have a very good opinion about someone; to hold someone or something in very high regard or esteem. I can tell your last boss thinks very a lot of you, judging from the reference letter she wrote for you. Somehow I doubt the mayor will think too a lot of an article exposing all of his financial details.
See also: lot, of, think
Farlex Dictionary of Idioms.

think a lot of someone or something

 and think a great deal of someone or something; think highly of someone or something; think much of someone or something
to think well of someone or something. The teacher thinks a lot of Mary and her talents. No one really thinks a great deal of the new policies. I think highly of John. The manager doesn't think much of John and says so to everyone.
See also: lot, of, think
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

think a lot of

Also, think highly or well or the world of . Have a good opinion of, regard very favorably, as in I think a lot of my daughter-in-law, or He didn't think highly of this company, or Dean thought the world of his youngest. These expressions use think in the sense of "regard" or "value," a usage dating from the late 1300s. For antonyms, see not think much of; think little of.
See also: lot, of, think
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • brief (someone) about (someone or something)
  • brief about
  • be out of (one's) league
  • be out of somebody's league
  • beware of
  • beware of (someone or something)
  • be (not) a patch on
  • better of