Monkey see, monkey do is colorful whose main meaning is the imitation of another person's actions simply by observation and copying but with no understanding.
Copying the behaviour of another without reason or understanding.
Since it is used for rote imitation, bypassing the understanding process, it is often applied to children or, in a pejorative way, to adults.
So, it is not a compliment. Although it can be used humorously to apply to a given situation.
"Monkey see, monkey do" is a traditional phrase used for commenting on someone's (often a child's) tendency to imitate whatever he or she sees someone else doing. Eric Partridge, "A Dictionary of Catch Phrases American and British," calls it a Canadian and U.S. catchphrase originating about 1925, "by c. 1950, also English, but . . . [used] rather to describe the learning of a a [sic] process, which, although performed thereafter with reasonable competence, is never actually understood."
(The Phrase Finder)
But it can also mean, more generally, to learn something by observation, as in:
Over twenty years ago, a team of scientists, led by Giacomo Rizzolatti at the University of Parma, discovered special brain cells, called mirror neurons, in monkeys. These cells appeared to be activated both when the monkey did something itself and when the monkey simply watched another monkey do the same thing.
For the construction of the sentence, see Why Do We Say "Monkey See, Monkey Do"? at Behind the Dictionary.
Again, the phrase is usually pejorative, but it can be applied humorously.