AOL: Broke on a $665K salary: This surgeon and his wife didn't know they were being gouged until Ramit Sethi stepped in Broke on a $665K salary: This surgeon and his wife didn't know they were being gouged until Ramit Sethi stepped in Learn more about YouTube YouTube help videos Browse our video library for helpful tips, feature overviews, and step-by-step tutorials. YouTube Known Issues Get information on reported technical issues or scheduled maintenance. Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions.

Understanding the Context

'know of' is used when you have personal experience with wha... "Know about" vs. "know of" - English Language & Usage Stack Exchange Examples: I know (about) this difficulty/problem. I know (about) Engineering.

Key Insights

In the first sentence, it seems to me that "to know" expresses that the speaker experienced the problem/difficulty before while "to know about" only expresses that the speaker has heard or read about it. to know vs to know about - English Language & Usage Stack Exchange Earth is the only planet we know of where life exists. This sentence is from the commentary of Planet Earth. Why it is know of in this sentence? Can it be know about? What’s the difference bet...

Final Thoughts

“know of” vs “know about” - English Language & Usage Stack Exchange Why do you think that He doesn't know him from his schooldays means that he does know him? It would only have that sense if you added something like In fact, he first met him at university.