The construct “I don’t know from” is a Yiddishism.Here’s more from The Jewish Language Resource Website:
“Yiddish and English
Yiddish has had a quite noticeable influence on American English over the last century. The English of Yiddish-speaking …

Hey Sars,
I’ve been living in the United States just on three years now (am a New Zealander, go All Blacks!) and apart from my accent, I haven’t had many communication problems. Except just recently …

Dear Sars,
I’ve read and enjoyed The Vine for years, but as a
many-times-published novelist I have to disagree strongly with your
advice to the aspiring writer in Thursday’s column.
For one thing, what he needs most is not …

Hi Sars,
Maybe you could help me with a twist on the all-too-common age difference question.
I go to a great church; I don’t know what denomination it is exactly — let’s just say it’s evangelical. Anyway, …

Hi Sars,
Long-time reader, love what you’ve done with the place.I’ve got a
roommate situation of sort.R., my roomie, is great overall.We get along
fine, the apartment is clean, the cat is happy…Living here is great.
The problem is …

Hi Sars,
I love your site, and I especially love the Vine. Thanks for making my
workdays more pleasant!
I’ve been reading through your old archives recently, and I came
across “Down, Boy!” Now, I’m a grown woman, so …

Hey Sars,
I’m a pretty solitary guy by nature.I just finished college, and afterward I moved
back to the city I ran away from, the city I grew up in.I made some wonderful
friends in college, but few …

Hi Sars, I have a question for The Vine.Hopefully someone can laugh
at our misery, because it used to be funny for us, too.
My husband and I live in a ground-floor one-bedroom apartment.The
building is only two …

Hi Sars —
I have a question, but no idea who else to ask about
it. My boyfriend and I have been dating for about
four years now. We want to get married, but due to
lack of finances …

Dear Sars,
I work in academic research, and recently, to my pleasure, my boss has started relying more heavily on me to edit her writing for journals, grant proposals, and reviews. I’ve used a couple of …