Updated: Aug 17, 2020
Let alone; not only ~ ( but also~); not to mention; to say nothing of; never mind; much less
Never having touched a computer, let alone used the Internet, I wonder if I will be able to keep up in the workshop.
Never mind college students, these days even junior and senior high school students often have experienced traveling abroad.
In America there are many places where the next town is 100 miles away and there are no houses, let alone a gas station, in between.
I put all the examples along with the meaning into flashcards to study just in case you forget. (I suggest downloading the app version for brainscape) With this you can even study on your phone!
Feel free to use this flash card deck I update regularly.
This grammar is really for intermediate-advanced learners. If you are looking to know where to start in Japanese and building a good foundation check out this blog post it.