"impart a lesson" is a correct phrase and can be used in written English.
It means to communicate or teach a lesson to someone. Here is an example: The teacher's main goal is to impart a lesson on the importance of perseverance and hard work to her students.
It also has the English novelist herself on hand to impart a lesson from which many of these aspiring new musicals could benefit.
"No," he said quietly, a bit surprised to have to impart a lesson in the birds and the bees to a fellow adult.
By dressing like an athletic firefighter or standing near the highway with a bunch of ripe bananas on his head, Mr. Houston has tried, in his own arcane way, to impart a lesson about good health to the city's commuters.
"The Full Monty" on Broadway, for instance, uses stripping to impart a lesson about personal exposure, by way of some hard-luck guys who flaunt their bodies because they have to, not because they want to.
But as we've proven, those who think they are beyond our reach aren't as safe as they would like to think!" The hackers also seemed to want to impart a lesson about the user names and passwords that are a common part of business on the Web.
He's not sure if any of his pupils will follow in his footsteps, but he's quick to impart a lesson he learned from struggling anonymously under his own master long ago.
You can feel it in the prolixity of his scripts and in the dark grooves of his pencilled notes: he wanted every screenplay to impart a moral lesson while illuminating the hidden facets of its characters.
Reminding them that her intention was to impart a moral lesson, Mary says she has more of the story to tell.
The sentences are concise and devoid of flowery language, but the dialogue feels forced at times and Roth seems to try too hard to impart a moral lesson through the words of her characters.
